"The Lawyers' Committee, along with some 9/11 family members and survivors, have exercised our constitutional and statutory rights to petition the Department of Justice to present evidence of 9/11 crimes...crimes that have never been investigated or prosecuted, to a special federal grand jury."

Lots of information on investigations, and resources on how to get more info as well as spreading this to others. They have followed through on the petition, and looks like most recently they filed an amended petition on July 30th, 2018.