Dog owner sent to prison for murder in 2001 mauling

Justin Sullivan/AP Photo

Hera, 2, a Mastiff-Canary Island mix, sits in a cage at the San Francisco Animal Control in this Tuesday, Jan. 30, 2001, file photo in San Francisco. The dogs owners, Marjorie Knoller, 45, and Robert Noel, 59, were then charged with involuntary manslaughter and keeping a mischievous dog that killed a human being. Knoller was also charged with second-degree murder Tuesday, March 27, 2001, in the death of Diane Whipple, 33, on Jan. 26. 2001.