See COVE Master Map entry: https://editions.covecollective.org/place/newgate

In London Labour and the London Poor edition: 

Phase 1

A Visit to the Rookery of St. Giles and its Neighbourhood. (Volume 4): "When the house was a brothel, about fifteen years ago, an unfortunate prostitute, named Mary Brothers, was murdered in this kitchen by a man named Connell, who was afterwards executed at Newgate for the deed. He had carnal connexion with this woman some time before, and he suspected that she had communicated to him the venereal disease with which he was afflicted. In revenge he took her life, having purchased a knife at a neighbouring cutler’s shop." 

Phase 2

Meeting of Thieves. (Volume 1)

MEETING OF TICKET-OF-LEAVE MEN (Volume 3)