As the article to which I've linked below indicates, 1) this is the third time this year that a gangster from the Metro Vancouver area has been killed In Mexico, and 2) law enforcement has interpreted the latest murder as a sign that the bloody gang war in British Columbia between the UN and the Wolf Pack gang coalition has spilled over into Mexico.

Another B.C gangster gunned down in Mexico

https://vancouversun.com/news/staff-blogs/real-scoop-another-b-c-gangster-gunned-down-in-mexico/