TRACY (CBS13) – A naked man who may have been on drugs was arrested Saturday for killing a Tracy motel employee.

Andrew Carreiro, 25, is behind bars accused of killing the 62-year-old woman who cleans rooms at the Hacienda Inn on the 600 block of West 11th Street.

Witnesses say they found Carreiro covered in blood and standing near the partially naked body of the woman, say witnesses.

“[It’s] most definitely the craziest thing I’ve seen in my life, most definitely,” said Jermaine Haynes, a motel resident who made the gruesome discovery.

The scene is something Haynes says he wishes he’d never witnessed, and says he knew the victim.

“She comes to our room everyday and she cleans rooms,” he said.

At around 7 p.m. Saturday, Andrew Carreiro knocked on Haynes’ motel door selling candy and acting strange, said Haynes. “He was on like cloud 20. I don’t know what he was on, but he was on something though.”

Soon after being turned away, Carreiro starting breaking windows at the motel, said Haynes. But as Haynes and others ran to stop him, Carreiro disappeared. A few minutes later, there was commotion coming from inside the management apartment.

“The dude wouldn’t open the door again, so we kicked the window in. It was crazy, it was just crazy,” said Haynes.

Haynes and others said they broke in, and what they discovered was gruesome.

“The lady was like half-naked, and he was butt naked — blood all over him. It was crazy, man,” said Haynes.

“All the dude kept saying was like, ‘I didn’t do nothing. I didn’t do nothing.’ He was like out of his mind, delirious,” said Haynes.

Haynes and others were able to hold Carreiro until police arrived

The victim was taken to the Tracy Sutter Community Hospital where she was pronounced dead.

Office staff at the motel refused our request for an interview.