police chief, decided enough was enough and they were going to quit. the police, the municipal police are no longer there. they've gone, they've fled. soldiers, federal and state police had to be drafted in. of course this is a temporary basis. it is a real crisis there. a crisis which has been repeated throughout the north of mexico. >> greta: you say it is being repeated. is it not true the beheading has become almost a signature of these drug cartels designed to terrorize, scare and move citizens out and law enforcement out of areas? >> yeah, the beheading is one of the principle terror techniques. also the cartels concentrated their furry against police officers of all -- their fury against police officers of all forces. more than 1,000 police officers have been mured in the administration of