A post-mortem has confirmed a man found dead in Gateshead had died of serious head injuries.
Northumbria Police have since launched a murder inquiry into the death of 32-year-old John Roberts.
He was found at a house in Park Terrace in Winlaton.
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Durham Crown Court heard how Sarah Louise Fettis approached the woman after spotting her in a pub and began shouting and swearing at her.
A judge said adoption would give the baby the "best prospect" of growing up in a "safe and secure" way.
41-year-old Jayne Maughan from Middlesbrough used the £15,500 to fund her spending habits.