POSTED: Saturday, May 22, 2010 - 8:01pm
UPDATED: Thursday, June 24, 2010 - 3:12pm
EL PASO, TX - A graffiti message was left for police on a rock wall in the Lower Valley.
The threat near Morelia and Le Barron says "murder them cops."
Neighbors think it could be gang related.
Police are now investigating the threat.