Miami ? Anti-Castro militant Luis Posada Carriles, an aging ex-CIA operative suspected in a decades-old Cuban airliner bombing, was released from U.S. custody Thursday and flew to Miami as he awaits trial on immigration fraud charges.

Posada was released from a New Mexico jail after posting bond and went to his wife’s house in Miami. He was required to post a $250,000 bond and his wife, daughter and son were required to post a $100,000 bond to secure his release.

A frail Posada was accompanied on the flight by U.S. Marshals, Immigration and Customs Enforcement officials. His daughter and attorney helped him walk up to the second-floor apartment.

Posada’s attorney, Arturo Hernandez, said his client would be sent to pretrial services today, where he would receive an electronic monitoring device under the terms of his release.

The 79-year-old former CIA operative is awaiting a May 11 trial on allegations that he lied to immigration authorities while trying to become a naturalized U.S. citizen.

Posada is wanted in his native Cuba and in Venezuela, where he is accused of plotting the 1976 bombing of a Cuban jetliner that killed 73 people.