colleen ann harris was found guilty of first-degree murder for shooting dead her third husband , bob harris , in their bedroom in 2013 .
in 1985 , she shot her second husband , james batten , 46 , but was acquitted after claiming she acted in self defense and could n't remember killing him .
the two killings took place in the same home , with the same type of gun , during marital problems and she said she had amnesia after both .
prosecutors say she shot dead harris , from whom she was separated , after hearing him making a call to a love interest .