The Silence

Amelia and Jim's families are subjected to intimidation tactics by the corrupt Drugs Squad in an attempt to thwart the investigation into Jane Shilliday's murder. When Amelia lip reads a conversation between Rocky and Mac and relays the information to Jim, he becomes certain that Mac is Jane Shilliday's other killer. When Lee Griggson comes to Amelia's house to intimidate her, she runs away, without taking her cochlear implant.