as she was sentenced a family member shouted from the public gallery : " she does n't know what 's happening - she has n't a clue . " the court heard cunliffe was banned from keeping animals for life and was told she can not apply to have this ban reviewed for five years . the kitten would have suffered terribly over a prolonged period of time . described as ‘ an act of utterly horrendous cruelty ’ by district judge john foster , the black and white cat died a slow and painful death . laura cunliffe , 23 , of hoyland , near barnsley , put black - and - white mowgli into the microwave and turned it on for five minutes . laura cunliffe has been sentenced to 14 weeks in jail for causing unnecessary suffering to an animal ( picture : caters ) a woman who subjected her pet cat to a horrendous death in a microwave because she thought it had attacked her goldfish has been sentenced to 14 weeks in jail . advertisement advertisement as she was being sent down a member of the public gallery , who was thought to be one of cunliffe had been sectioned under the mental health act 20 times and had longstanding problems with psychotic depression . suffered terribly ' her solicitor , alan greaves , said cunliffe had longstanding problems with psychotic depression and had been sectioned under the mental health act 20 times . the 23 - year - old from hoyland , near barnsley , pleaded guilty to causing unnecessary suffering to an animal before being sentenced today .