Sonia Reyes was a drug addict and prostitute living with Edward Roman in 2010. He supplied her with drugs while she supported him through prostitution. When the trial of Jason Jessup got underway, Roman moved out and left Reyes with no source for drugs. Harry Bosch found her while looking for Roman, and he persuaded her to come to the courtroom with him. She was there as a "silent witness", not to testify but merely to be present while Roman testified. It was a move Bosch had seen in one of the Godfather movies. Her presence rattled Roman so much that he changed his testimony. In exchange for her presence in court, Bosch got her into a rehab program at County-USC Medical Center.

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