Did Josh Beckett throw at Bobby Abreu on purpose?

In the first inning of the Angels/Red Sox game, Josh Beckett looked back at Chone Figgins three times at second base.

He then began to serve a fastball to Bobby Abreu, but home plate umpire Paul Schreiber jumped out, signaling for a time out. A startled Beckett buzzed Abreu near the head, causing benches to clear and four Angels to get ejected (centerfielder Torii Hunter, reliever Justin Speier, hitting coach Mickey Hatcher and later manager Mike Scioscia).

Who was in the wrong? What caused this event to occur? Let's take a look and try to pin down what happened and who is at fault.