Protester's Song — Mark Delaney

Meet Misfits, Inc. Investigations: Peter, the genius; Jake, the athlete; Byte, the computer whiz; Mattie, the “magician.”
These four teenage super-sleuths have a knack for uncovering and solving unsolvable crimes. The fifth book in this thrilling series finds the young detectives in the middle of a thirty-year-old mystery and an FBI cover-up. Can they set the record straight for good… before it's too late?
Byte, Peter, Jake and Mattie have a chance encounter with a man who may be to blame for a bombing during an antiwar protest at a university in the early 1970s. Trying to uncover the truth behind events that occurred thirty years ago proves to be a matter of life and death. As the Misfits attempt to find out what really happened all those years ago, they face one obstacle after another, including a case of mistaken identity, a suspicious FBI agent, and the threat of another bomb explosion.
Featuring an engaging group of outcasts with varied interests, each book in the Misfits series offers an intriguing mystery, supported by Delaney's well-paced plot and believable dialogue, that will keep readers captivated to the very end.