The subpoena was accompanied by a gag order demanding Open Whisper Systems not publicly release any information about the subpoena. The subpoena was disclosed following a legal challenge by Open Whisper Systems and the American Civil Liberties Union.

Thanks to its subpoena powers, the FCIC can collect and analyze such data.

2.8 Despite a subpoena order against the alleged victim and his parents, they did not appear in hearings on 31 October and 10 November 1995.

The encrypted mobile messaging app Signal received its first federal grand jury subpoena for a customer s data this year, but only shared limited information with the FBI.

It was a great opportunity lost. With its subpoena power, the Angelides Commission could have collected and made available to researchers the data needed to answer many crucial questions about the crisis.

However, the Committee notes that although a subpoena order had been issued to bring the alleged victim to testify in court, neither the alleged victim nor his parents could allegedly be located.

The organization continues to collect signatures for a petition that demands an independent investigation with subpoena power of the September 11 attacks, specifically the collapse of the World Trade Center towers and 7 WTC.

Open Whisper Systems, the company that makes Signal, told the government it does not gather or keep the metadata that it sought under the subpoena only the date and time an account is created and the date of the user s last connection to Signal s servers.