DENVER (CBS4) – Denver police want people to take better care of their belongings, especially firearms stored in vehicles. Police Chief Paul Pazen and the Patrol Division say there have been 134 incidents of guns being stolen from vehicles in the first eight months of this year.

(credit: CBS)

READ MORE: 'When I Finally Got To Be Elvira, That's When My Life Calmed Down': Mistress Of The Dark Peels Back The Curtain

Some of those firearms have been used in serious crimes.

READ MORE: Fake Firefighter Calendars Being Sold In The Name Of Colorado Puppy Rescue

Ron Thomas (credit: CBS)

“I think about 10 percent of the guns that been stolen have been recovered. So we believe that a lot of these guns that are being used for illegal purposes are in fact stolen guns,” said Ron Thomas, a spokesman for Denver Police Department’s Patrol Division.

MORE NEWS: Denver's Outdoor Dining Program Could Become Permanent

Denver police say there are thousands of car break-ins every year. They are asking people not to leave guns in cars, even in locked boxes.