Conflicting accounts about Heriberto "El Lazca" Lazcano's death

I spent a few hours last night following the minute-by-minute updates on Twitter, as well as speaking to my own sources in the media and on the ground in Mexico. Here's what I know.

 

The Monitor out of McAllen was the first US news outlet to report that Heriberto "El Lazca" Lazcano Lazcano, head of Los Zetas, had been killed in a shootout between Los Zetas and the Gulf cartel in Matamoros. The reporter claimed to have a solid source on the ground, and based all the reporting on what this...