The man was obsessed with Marbella Valdez and when her body was found at a Tijuana garbage dump, he approached police to demand the case be solved.
Mexican prosecutors have detained Orson William Black and his followers and are investigating whether Black was involved in the death of three American youths.
Three dead bodies were found decorated with the colours of Mexico's national flag just ahead of Independence Day in the Gulf coast state of Veracruz.
One of the Sinaloa cartel leaders who launched a struggle for control of the gang following the re-arrest of Joaquin "El Chapo" Guzman has been captured.
Police, soldiers swarm Mexico’s Acapulco as killings continue, writes Mark Stevenson
Claims a drug cartel perpetrated a mass killing, writes Mark Stevenson
The original, and until recently the only, spotting of the species was made by American naturalist William Beebe in 1936.
Excavations for a Mexico City subway extension have turned up what appears to be a dog's skull with holes.
A small, remote-controlled camera lowered into an early Mayan tomb in southern Mexico has revealed an apparently intact funeral chamber.