The Technical Assistance Response Unit (TARU) is a unit of the New York City Police Department. TARU provides investigative technical equipment and tactical support to all bureaus within the department, in addition they also provide assistance to other city, state and federal agencies. The unit also deals with several forms of computer forensics. The unit is based in NYPD headquarters at One Police Plaza. Other activities of the TARU include the recording of actions undertaken by police and protestors during demonstrations. The Handschu agreement does, however, restrict the recording of protest activities unless there is an indication that unlawful activities are taking place, preventing the routine recording of legal protests.