Israel's internal security agency released a photo of the president disguised with a beard, a dark-haired wig and wearing a heavy coat, accompanied by a number of its agents.
The involved suspects face charges ranging from indecent acts to sexual assault of a minor.
Adding Tuesday's indictments, the undercover sting operation has so far resulted in a total of 28 indictments being filed against 28 different defendants.
"An operation to operate an agent requires a considerable budget. Such an operation undermines the security of the criminals in their immediate area."
The cell had organized attacks on the Kalandiya checkpoint.
Female cop disguised as teenage girl held online chat session with suspects.
Journalist Zvi Yehezkeli feared for his life, tells The Jerusalem Post his biggest revelations on the Muslim Brotherhood were in the US.