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COLORADO SPRINGS, COLO. -- Colorado Springs police arrested a man for kidnapping his girlfriend Friday afternoon.

This is the second time 24-year-old Michael Rivera has been charged with kidnapping, police said. Doherty High School and Carver Elementary schools were both placed on lockdown until Rivera was located.

Just before 2 a.m., Friday, police responded to a home in the 2300 block of San Marcos to investigate a kidnapping. A resident told police a female crawled into her backyard claiming she had been attacked. Police said the girl was naked and bleeding.

Investigation with the Domestic Violence Unit found the girl was kidnapped by her ex-boyfriend, Rivera.

Police said the girl was taken at gunpoint from the parking lot of the Clarion Motoel near I-25 and Bijou and brought to her home in the 2300 block of Sonoma Drive. The girl was hit in the head multiple times with Rivera's fist and a gun, police said.

According to police, Rivera told his ex-girlfriend that he was going to kill her. He also forced her to undress and get in the shower, police said. That's when she was able to escape from the bathroom window and run to the nearby house to get help.

Rivera had a warrant out on the same charge from Oct. 2012, police said. He is accused of kidnapping the same ex-girlfriend and hitting her with a gun in that case, too. Rivera had been considered armed and dangerous, police said.