Salman Yousaf, 46, was already in prison in 2024 when the Metropolitan Police tipped off British Transport Police (BTP) about his identity and method of offending.
Sana Yousaf, who turned 17 last week and had more than a million followers across her social media accounts, was killed at her home in the capital Islamabad on Monday.
Kamran Yousaf, 48, from Birmingham, said he is on track to lose 100kg without surgery in 365 days - a record for someone of his age in the UK. But experts warn this drastic approach could be harmful.
Kamran Yousaf, 48, from Birmingham, adopted a radical weight loss strategy last August - eating between just 100 and 800 calories a day. But experts warn this could be harmful.