Attorney General William Barr Bill BarrHillicon Valley: Subpoenas for Facebook, Google and Twitter on the cards | Wray rebuffs mail-in voting conspiracies | Reps. raise mass surveillance concerns Bipartisan representatives demand answers on expired surveillance programs YouTube to battle mail-in voting misinformation with info panel on videos MORE on Saturday decried the death of wealthy financier Jeffrey Epstein in federal custody while he awaited charges on sex trafficking, saying the apparent suicide "raises serious questions."

“I was appalled to learn that Jeffrey Epstein was found dead early this morning from an apparent suicide while in federal custody. Mr. Epstein’s death raises serious questions that must be answered," Barr said in a statement.

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"In addition to the FBI’s investigation, I have consulted with the Inspector General who is opening an investigation into the circumstances of Mr. Epstein’s death," Barr added.

Epstein was reportedly placed on suicide watch in late July after he was found unconscious in his jail cell with marks around his neck. However, reports Saturday indicated he was not on suicide watch at the time of his death.

The U.S. Bureau of Prisons announced earlier Saturday morning that the FBI would investigate his death.

The Metropolitan Correctional Center, the Manhattan jail where Epstein was being held awaiting trial, did not immediately return The Hill's request for clarification about Epstein's suicide watch.

In the statement earlier Saturday, the Bureau of Prisons said Epstein had been discovered in his cell about 6:30 a.m. and was taken to a nearby hospital for treatment where he was later pronounced dead.

Some lawmakers and advocates for those who have accused Epstein of sexual abuse said Saturday that the federal investigation into the allegations against Epstein and the 2008 plea deal he received should move forward, despite Epstein's death.

Attorney Lisa Bloom, who represented a number of Epstein's accusers, told NBC News on Saturday that she would continue to represent civil lawsuits against his estate.

"On behalf of the victims I represent, we would have preferred he [Jeffrey Epstein] lived to face justice. Our civil cases can still proceed against his estate. Victims deserve to be made whole for the lifelong damage he caused. We’re just getting started," she tweeted.

Lawmakers including Rep. Lois Frankel Lois Jane FrankelShakespeare Theatre Company goes virtual for 'Will on the Hill...or Won't They?' Florida Democrat introduces bill to recognize Puerto Rico statehood referendum Hillicon Valley: Democrats demand answers over Russian interference bulletin | Google Cloud wins defense contract for cancer research | Cyberattack disrupts virtual classes MORE (D-Fla.) have called for Congress to investigate why the multimillionaire was offered a plea deal in 2008 that is widely viewed as having been too lenient.

Epstein pleaded guilty in 2008 to solicitation of a minor but, under a plea deal with then-U.S. attorney and former Trump Cabinet member Alex Acosta Alex Alexander AcostaFederal litigator files complaint alleging Labor secretary abused his authority Appeals court to review legality of Epstein plea deal Appeals court finds prosecutors' secret plea agreement with Epstein didn't break law MORE, he served only 13 months and was allowed to spend 12 hours a day outside of jail.

Updated at 2:15 p.m.