AUSTIN, TEXAS (TIP): A CNN report says that as the Austin bomber sensed that authorities were closing in on him on Tuesday, March 20, night, he took out his cell phone and recorded a 25-minute video confessing to building the explosive devices — but didn’t explain why he targeted his victims, interim Austin police Chief Brian Manley said.

“It is the outcry of a very challenged young man talking about challenges in his life that led him to this point,” the interim chief said. “I know everybody is interested in a motive and understanding why. And we’re never going to be able to put a (rationale) behind these acts,” Manley told reporters Wednesday, March 21 night.

The video made by Mark Anthony Conditt, whose string of package bombs killed two people and wounded five in Texas, was found on his cell phone when police recovered his body Wednesday morning. The cell phone was in Conditt’s possession at the time of his death, police said.

Manley says that Conditt did not make any terror- or hate-related references in the confession.

Hours after he made the video, police found Conditt leaving a hotel. They followed him until they made a move to stop him from getting on an interstate and Conditt ended up in a ditch.

Authorities say Conditt, 23, killed himself with his last explosive device.

Federal agents went to the bomber’s home Wednesday while police interviewed his roommates, attempting to determine whether any bombs remained and if Conditt acted alone.