Law and Order SVU : Shattered Officer

It is Six Months Later After Detective Benson's Run in with a Violent Criminal Gang Known So far Only as The Handcuff Club. A Movie Camera is Found down at the Very Possible Location of the sixth month old Violent Vicious Crime Upon Detective Benson and a Few Others as well. Possible Clues? Dead ends STILL?...Olivia just "has" to Know if Anything "finnally" can Help the Detectives and Police get Closer somehow to indeed to at least "find" this Handcuff Club?