The Punching Bag In Courtroom 15A
By Ralph Cipriano
for Bigtrial.net
At the start of his cross-examination, Jack McMahon greeted the prosecution's star witness with a slap upside the head.
"I'd appreciate it if you look at me when I talk," the defense lawyer admonished Jeffrey Walker.
McMahon, a flashy former prosecutor with a white mustache and a shaved head, then spent the next six hours …