After a six-hour standoff, Colorado police find four people shot dead, including the gunman, in a house four miles from the site of last summer's movie theater massacre.

A gunman barricaded inside his Colorado home fired shots at police from a second-story window before he was killed as SWAT officers stormed the home Saturday. Once inside, they found the bodies of three other adults, authorities said.

The suspect was identified to KDVR.com as Sonny Archuleta. He allegedly held officers at bay for nearly six hours after neighbors reported gunfire at 3 a.m. inside the modest townhome in the Denver suburb of Aurora, said police Sgt. Cassidee Carlson.

It wasn't known if officers shot the suspect or if he shot himself.

Investigators said two men and a woman appeared to have been killed before officers arrived.

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Aurora, just east of Denver, is one of Colorado's largest and most diverse cities with more than 335,000 residents. It is home to Buckley Air Force Base as well as the sprawling University of Colorado Health Sciences Center campus,

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