Police found small amounts of Woll's blood on a North Face jacket and backpack Jackson-Bolanos appeared to have been wearing the night of the murder. They also compiled surveillance video that showed him walking from his girlfriend's Midtown apartment to an area near Woll's home. He denied to police ever coming across a body on his walk.

“There is no reason Mr. Jackson-Bolanos should have had Samantha Woll’s DNA on him or his clothing," Sanchez said.

Ex-boyfriend confessed to killing Woll

Herbstman called police Nov. 7 from the parking lot of a Kalamazoo hotel sobbing hysterically, unable to speak at times.

"I'm having a panic attack. I'm convinced that I may have murdered my girlfriend and I don't remember it," Herbstman told the Kalamazoo police officer who responded to his 911 call. "I have the motive and the opportunity. I may be trying to outsmart people."

Herbstman testified that he began to panic several weeks after Woll was killed, when he took increased the amount of a new depression medication he had been prescribed, he said.

“I began to believe that I was responsible for her death, that I had somehow killed her and didn’t remember doing it,” Herbstman said. “I couldn’t shake that feeling. It was disturbing to the extreme.”

Sanchez said Herbstman's phone GPS data put him at his home the whole night and there was no indication he had left his home or traveled to Woll's. Herbstman was released after a several-day hold in the Detroit Detention Center.

Other men Woll had dated, friends, contractors, Woll's housekeeper several homeless people at a park nearby Woll's home and a man Woll met at a wedding the night before she died were also ruled out as potential suspects, Sanchez said.

Cellphone and vehicle records did not show any of them being in the area of Woll's home early Oct. 21, Sanchez said.

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