Not entirely sure, but I think I found his address. The place he stays at is for people with mental health problems, and where he was arrested is in the same area as his address listed under his company. He might also be Ethiopian, given there's even an Ethiopian flag displayed. Plus, the year he was born and his age match the suspect's age, so it might be him.
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''Jalal Debella, 22, was arrested on suspicion of murder in the Colindale area on Thursday.''