The tragic mother and daughters gunned down by father as they celebrated birthday after he found out they were leaving him

-Kevin Allen shot his wife Katherine in the head and his daughter Kerri in the stomach as she celebrated her 10th birthday

-His other daughter Kayla is in a critical condition after the shooting at a crowded restaurant

-Allen, 51, was shot dead by police as he tried to flee after opening fire on his family

-The father had a long history of violence

-After not paying his gas bill in February, Allen threatened to shoot anyone who attempted to cut off his gas

http://www.dailymail.co.uk/news/article-2129137/Pictured-The-tragic-mother-daughters-gunned-father-celebrated-birthday-leaving-him.html