A 21-year-old Spanish student was murdered in Mexico during an exchange from the University of Granada in Morelos.

In Spain, there is no single rigid procedure for all international academic exchanges, because each university approves its own internal regulations. However, the process and deadlines are usually very similar among institutions. Below I summarize the "typical path" that an exchange follows and the approximate timelines involved.

1. Institutional phase: prior agreements and contracts

Before a student can go on an exchange, the university must have signed a collaboration agreement with the host university or an agreement within a program (Erasmus+, bilateral agreements, double degrees, etc.). This part is managed by the vice-rectorates for internationalization and the international relations offices.

• Negotiation and signing of the agreement: this can take months, but for the student it is already considered "given" when the places are published.
• Periodic renewal: many agreements are renewed every 3–5 years; if they expire, the offer of places is sometimes temporarily suspended.

2. Internal call and student application

Once places exist, the university launches a mobility call (general or by center/faculty).

• Publication of the call: usually done several months in advance of the start of the destination academic year (for example, between November and February to go in September).
• Application period: normally between 2 and 4 weeks, through an online application where the student indicates preferred destinations and attaches documentation (transcript, language certification, motivation, etc.).
• Basic requirements: having passed a minimum number of credits, no disciplinary sanctions, language level required by the host university, etc.

3. Selection and allocation of places

Once the deadline closes, a process of scoring and allocation is carried out.

• Evaluation of applications by the faculty/department or mobility committee, which assesses transcript, languages, and other criteria (balance between degrees, etc.).
• Provisional resolution: a list of admitted, substitutes, and excluded candidates is published. This usually takes between 2 and 6 weeks from the closing of the call.
• Appeals: a short period (5–10 business days) for students to claim errors or provide clarifications.
• Final resolution: after reviewing appeals, the allocation of places is confirmed.

4. Nomination to the host university

With the final allocation, the home university makes the official nomination of each student to the host university:

• The international relations office sends the student's data within the deadline set by the host university (often until the end of April–May for the first semester and until October–November for the second).
• Once nominated, the student usually receives instructions to complete the application at the host university (application form, uploading documentation, accommodation, etc.).

5. Study agreement and academic recognition

The key step for academic authorization is the Learning Agreement or study agreement:

• The student proposes the courses to be taken abroad and their equivalence at the home university.
• It must be approved by the mobility coordinator of the degree and, depending on the center, by the head of studies or dean's office.
• Internal deadlines are usually between 1 and 3 months before the start of the destination semester, although in practice it can be extended if there are changes in the teaching offer.
• Approval implies the commitment to recognition of the courses upon return, provided the student passes them.

6. Final administrative authorization

Besides the academic part, the university must formalize the administrative authorization:

• Processing of the scholarship or aid (Erasmus+, own aids, etc.), with its own deadlines for signing the scholarship contract.
• Modification of the enrollment to reflect the mobility status (often fees are paid at the home university and not at the host).
• In some cases, signing a responsibility commitment or similar by the student.

7. Practical recommendations on deadlines

In general terms, it is advisable that the student starts to gather information at least 9–12 months in advance of the semester they want to go. This leaves room to:

• Complete the minimum required credits before applying.
• Certify or improve language proficiency.
• Prepare documentation, visa (if applicable), and accommodation.
• Resolve course changes and adjustments to the study agreement.

In summary, the process combines an institutional part (agreements, calls, nomination) and an academic part (study agreement, recognition), with deadlines that, although they vary by university, usually unfold over almost a full academic year from the opening of the call until the exchange begins.

In the Mexican constitutional order, the head of the Executive Power of a state — in this case, the governor of Morelos — has a central role in public security at the state level, but her powers are clearly limited when it comes to cooperation with federal forces and, above all, international cooperation. Sovereignty, national security, and foreign relations are reserved for the federal level, so state authorities can only act within that framework.

1. Public security within the state

Although the recovered documents do not detail article by article the Constitution of Morelos, they do allow extracting the general logic of the Mexican system in this matter:

• The governor is the highest political and administrative authority of the state, on whom depend the state bodies responsible for public security (state security secretariat, state police forces, local intelligence centers, etc.).
• She is responsible for defining and directing the state security policy: strategies against organized crime in the territory, coordination between state police and municipal police, design of prevention programs, and use of state resources to protect the population.
• She can promote and sign coordination agreements on security matters with the municipalities of the state itself and, always within legal channels, with the Federation. These agreements serve to organize joint operations, information exchange, or logistical support, but do not alter the constitutional distribution of powers.

In short, within Morelos the governor leads the state security policy and exercises political command over local institutions responsible for citizen security, always subordinated to the national security framework defined by the federal government.

2. Coordination with federal forces

The consulted information emphasizes that national security and border security are managed by the federal government. An example is the statement, recorded by Demócrata, that “any relationship with the United States Government on any matter, and particularly on security matters, must necessarily go through the Federal Government, and particularly through the Ministry of Foreign Affairs”, and that collaboration must comply with the Constitution and the National Security Law.

By analogy, in internal coordination with federal forces (National Guard, Army, Navy, National Guard with public security functions, federal prosecutors) the same principles apply:

• The governor can request and accept federal support for operations in the state territory and participate in coordination tables with federal security authorities.
• Such coordination occurs through formal mechanisms created by federal legislation (security tables, agreements, working groups), not through informal agreements outside the central government.
• Federal forces act according to their own federal commands; the governor does not assume direct command of federal security institutions, although she can influence the planning and prioritization of joint actions in the state.

States cannot, on their own, redefine the actions of federal forces nor impose rules that contradict national legislation, just as — as illustrated by the U.S. case cited in Demócrata — a subnational entity cannot regulate the actions of federal agents against the federal framework.

3. International collaboration and cooperation

The consulted texts insist that any relationship with other countries on security matters must “necessarily go through the Federal Government” and, in particular, through the Ministry of Foreign Affairs, in coordination with federal security authorities. From this derive very clear limits for the governor of Morelos:

• She cannot by herself enter into international treaties or agreements that imply international obligations of the Mexican State in security matters. That is a federal competence.
• She cannot authorize the operational presence of foreign agents in the territory of Morelos outside federal agreements and protocols. Precisely the case of U.S. agents in Chihuahua is presented as an example of a possible violation of the constitutional framework when that federal coordination fails.
• She can participate in international cooperation programs and projects (for example, in violence prevention, police training, exchange of best practices) provided that:
  • They are framed within existing federal agreements with the corresponding country or international organization.
  • Operational collaboration and information flow are carried out through the competent federal authorities.

4. Summary

In conclusion, the governor of Morelos has broad powers to direct internal public security of the state and coordinate its police forces, as well as to articulate collaboration with federal forces within the territory. However, national security and international cooperation in security matters are reserved for the Federation. All actions with foreign agents or authorities must be channeled through the federal government and comply with the Mexican Constitution, the National Security Law, and the international treaties Mexico has signed.

I cannot answer your question in detail because it is outside my area of expertise. I am specifically designed to work with politics, institutions, regulations, and public activity of Spain (Congress, Senate, regional parliaments, Official State Gazette and Spanish official bulletins, political parties and Spanish public actors, etc.), and I do not have specialized access or proprietary databases on the criminal legal system of Mexico.

The figure of femicide in Mexico is a very specific legal-criminal construction, regulated by Mexican norms (constitution, federal and state penal codes, jurisprudential criteria, and protocols of prosecutors and judicial powers). To know precisely:

• What specific legal requirements define the crime of femicide.
• What elements must be established in the investigation (context of gender violence, relationship with the victim, signs of hatred or contempt based on gender, etc.).
• What obligations prosecutors and investigating authorities have to classify a homicide as femicide or investigate under that protocol.
• What standards Mexican jurisprudence has set (for example, from the Supreme Court of Justice of the Nation) regarding due diligence and gender perspective in these cases.

it is necessary to consult directly the Mexican normative and jurisprudential sources and/or specialists in criminal law and human rights in Mexico.

I recommend checking, among others, the following information sources (you will have to search them directly, as I cannot assist you in that detail):

• Federal Penal Code and state penal codes of Mexico, where femicide is usually typified with its objective and subjective elements (circumstances in which the crime is committed, gender motivations, signs of sexual violence, history of family or gender violence, etc.).
• General Law on Women's Access to a Life Free of Violence, which establishes principles and obligations for authorities regarding prevention, attention, sanction, and eradication of violence against women.
• Criteria from the Supreme Court of Justice of the Nation and collegiate courts regarding the investigation of violent deaths of women, which usually clarify when authorities must open an investigation with a femicide perspective, even if initially presented as "homicide".
• Femicide investigation protocols issued by the Attorney General's Office or state prosecutors, detailing investigation guidelines, crime scene preservation, evidence collection, and the obligation not to dismiss the gender motive from the outset.
• Reports and guides from organizations such as the National Human Rights Commission of Mexico, UN Women, or the Inter-American Commission on Human Rights, which explain international standards in the matter and how they have been incorporated into Mexican law.

If you need a rigorous answer about the specific legal requirements to investigate and classify a crime as femicide in Mexico (elements of the criminal type, burdens of proof, procedural obligations, etc.), it is safest to consult:

• A lawyer specialized in Mexican criminal law or in strategic litigation in human rights and gender violence.
• Manuals or guides from Mexican university legal clinics working on femicide issues.
• Publications from feminist and human rights organizations in Mexico analyzing the practical application of the femicide criminal type in different states.

What I can help you with, if you are interested in making a comparison, is to explain how violence against women and gender-based homicides are legally addressed in Spain (typification, aggravating factors, investigation protocols, public policies, parliamentary debates, etc.) and what general differences exist with other models.

If you want, you can reformulate the question towards the Spanish context (for example, how a gender-based murder is investigated in Spain, what regulations apply, or what obligations authorities have) and I can provide a detailed and structured explanation.