http://abcnews.go.com/US/wireStory/f...banks-18135918

Federal authorities said Friday that they're searching for a man who robbed one bank in the Phoenix metropolitan area and tried to rob two others using fake bombs.

Phoenix FBI officials said the so-called "Dynomite" bandit was at a Chase Bank in Peoria on July 3, a Wells Fargo Bank in Anthem on Dec. 21, and another Chase branch in Scottsdale on Wednesday.

In each case, the man gained entry to the bank after normal business hours through a hole cut in the roof, authorities said. He then placed a device that looked like an explosive inside the bank and exited undetected...............

Authorities are offering a $15,000 reward for information leading to his arrest and conviction.............more at link............