Two NYPD detectives had been working security for the cryptocurrency investors who police say kidnapped a man and held him captive in SoHo, police sources say.

John Woeltz, 37, and William Duplessie, 33 -- face kidnapping, assault and unlawful imprisonment charges in the case.

An Italian man escaped a New York City apartment where he says he was kidnapped and tortured for weeks over a Bitcoin password.

Here's how "crypto bros" William Duplessie and John Woeltz allegedly tortured a man in a SoHo townhouse to steal his Bitcoin password in a brutal wrench attack.

The pair of hard-partying crypto bros accused of sadistically torturing an Italian millionaire lured him to New York City with the promise of returning Bitcoin they had allegedly stolen from him

Before they allegedly kidnapped an Italian tourist, crypto bros John Woeltz and William Duplessie were rolling up to NYC nightclubs with their own security — and looking for "Instagram baddies."

John Woeltz was arrested on May 23, court records show. According to a criminal complaint filed in Manhattan criminal court, an unnamed man told New York City police that Woeltz and another man, William Duplessie, on May 6 took his electronic devices and passport demanded he give up his password so they could steal his cryptocurrency.

The Euro exec became a person of interest in the case after the arrest of Kentucky crypto king John Woeltz on Friday for allegedly holding wealthy trader Michael Vanlentino Teofrasto Carturan