There are reports recently of crime issues in Mexico.  The State Depatment made a recent new statement.

.    Here is a blog post that gives a balanced view  of the situation of Mexico Crime and safey in 2017;

The authors at MayanRental (actually, that is us)  feel that tourist areas are still very safe.  They are going to stay in Grand Luxxe Riviera Maya in November and in Grand Luxxe Nuevo Vallarta in  March.