Suicide Squad: Gotham

Task force X, also known as The Suicide Squad is a group of criminals who work for ARGUS, in doing covert operations in exchange for a reduced prison sentence. See them take on the worst mission yet, when they have to find and infiltrate one of the most secured places on Earth. The Batcave.
all DC characters are theirs, nothing in this book is mine, only the storyline
Also read the sequel
Suicide Squad: Fugitives