  "I don't know who George is anymore," Shellie Zimmerman said
on Katie Couric's show, Katie. After his murder trial, he became
unpredictable and "a pacing lion."  "I like to think I married a
person who was a good person, and going through the past year
and a half, I don't know how that changes a person, or how a
person's spirit breaks, but it certainly seems that's what
happened to him."  Later, she said: "He does seem like a ticking
time bomb."  Shellie Zimmerman said she doesn't think her
husband intended to kill the 17-year-old Trayvon in February
2012. He has said he fired in self-defense.   Zimmerman's public
defender, Jeffery Dowdy, said he wouldn't comment on Shellie
Zimmerman's statements or interviews.    No charges were ever
filed against either one because of a lack of evidence and
Shellie Zimmerman didn't want to file charges. The dispute
occurred days after she filed divorce papers.  Shellie Zimmerman
told Couric that she ultimately decided not to pursue charges
because she feared it could jeop