Adam Whelehan _ World_s Most Evil Killers

“On 3 October 2012, he lured his 24-year-old girlfriend to a quiet roadside and stabbed her 19 times in the neck. He brought a friend in the boot of his car as his getaway driver.”Adam Whelehan, 23, was convicted of murdering Natalie Jarvis in Kent, England. He had planned the killing for weeks to end their relationship. He handed himself in to police 3.5 hours later . He was jailed for life with a minimum of 26 years .