An echo of death

From Amazon.com:

Book 5 of 12 in the Tom and Scott Mystery Series

Tom Mason and his lover, professional baseball player Scott Carpenter, go on the run when they find an ex-teammate and friend of Scott's murdered in their apartment. With the killers now on their trail, with the death of Scott's friend still a mystery, and with the discovery that they are on the police department's list of murder suspects, Tom and Scott are forced into a dangerous game of hide-and-seek to solve the murder and to ensure their own survival.