Pregnant at 13, a mother at 14... then killed at 17 by her drug addict boyfriend

-Callum Wilcocks, 19, said 'he just exploded' after his girlfriend's repeated taunting

-Kelsey Shaw also told Wilcocks their three-year-old daughter wasn't his

http://www.dailymail.co.uk/news/article-2073217/Callum-Wilcocks-jailed-strangling-Kelsey-Shaw-confessed-affair.html