For the second time in just over three months, an inmate has escaped custody at Seattle-Tacoma International Airport.

Surveillance footage shows 20-year-old John Nino “appears to have removed his wrist restraints” before bolting toward Highway 99, according to a Facebook update Wednesday morning from the Washington Department of Corrections (DOC).

The breakout happened shortly before 8 p.m. Tuesday, Aug. 12, while Nino was being transported through Sea-Tac.

The DOC said he was last seen wearing a red coat and dark gray or black sweatpants before fleeing across the light rail tracks on the east side of the airport and heading toward International Boulevard and Highway 99.

John Nino, 20  (Washington Department of Corrections via Facebook)

In May, inmate Sedrick T. Stevenson escaped from Sea-Tac while being transported to Kentucky in a case not handled by the DOC, the department clarified in an email to Fox News Digital.

Stevenson ran through the terminal, boarded the light rail and remained at large for over a month before his June capture. FOX 13 Seattle, which has closely tracked both incidents, noted this is the second such escape from Sea-Tac in under 100 days.

Sedrick T. Stevenson, 28, is wanted for allegedly escaping police at a Seattle airport. (Port of Seattle Police)

The DOC has not said whether any changes have yet been made to transport protocols.

In an email to Fox News Digital, DOC officials said it is “focused on finding [Nino]” but will conduct a “critical incident review” to determine how he was able to escape.