Dive summary:

• When a passing construction worker saw a man grab a woman who was walking with a child in Hermosa Beach, Calif., he apparently grabbed the best weapon he had--a power drill--and charged over to frighten the attacker.
• The suspect, Joel Jimenez, of Castaic, 29, was arrested after witnesses called 911, and police said he had been on a pub crawl with coworkers, was intoxicated and appeared not to remember what happened.
• The hero of the Pacific Coast Highway left before anyone could get his name.

From the article:

“We had folks driving by… great witnesses. We had folks that were willing to intervene. With that the police got the bad guy in custody quickly and nobody was hurt too badly,” [Police Sgt. Robert] Higgins said. ...