The cartel situation its bad In just some states like Zacatecas and tamaulipas, in most cities you ill not see cartels of you aré not looking into illegal stuff, in my almost 30 years i have never experiences any type of violence and i live in central México in a non turístic area

The mexican army budget is in the billions, they definitely have a lot more firepower than the cartels, the cartels have to ambush little patrol squads when they want to take on the military because otherwise they get completely destroyed 99% of the times, the real problems aré the engagement rules of the army and the inneficient strategy of the current federal government that makes very hard to effectively fight the cartels

Cancún is in Quintana Roo state, not Yucatán, Yucatán has some of the lowest crime and murder rates in all of North américa, including the Canada and the us

México already hosted the olympics once and already has many cities with modern sports infraestructure, most likely México Will just renovaré some.of the already existing sport venues

There áre important hydric projects for the city also under construction, the Cuchillo 2 acueduct just Started construction and the Libertad Dam its going to finish construction next year, this 2 projects áre expected yo guarantee the water supply for Monterrey for the next 10 years and also there áre other 2 hydric projects at planning stage the Monterrey VI project that involves extracting water from the Pánuco river for the city and a desalinization plant project

Yes it is, it surpassed Guadalajara un the last census