One trafficker said lab raids were often "for show".
The hungry bear can be seen walking across the table and eating a variety of food.
The Mexican journalist who claims he found the mummies is being investigated.
The pregnant couple were celebrating with family and friends when disaster struck.
While it isn't yet clear who was behind the shooting, rival drug cartels have been increasingly waging brutal battles in the area.
The fire was apparently caused by a protest over deportations.
The photo shows a tree with a branch forming what looks like a halo of hair and what may be stars forming the figure's eyes.
Mexican authorities arrested Ovidio Guzmán-López in Culiacán, Mexico on Thursday (local time).
Guzmán is described as "a high-ranking member of the Sinaloa Cartel."