DENVER (CBS4) – The man accused of sexually assaulting a women at Denver International Airport says he is not guilty.

Noel Bertrand appeared in court Monday. The former Marine faces charges of kidnapping and sex assault. He says the sex was consensual.

Surveillance video from the airport shows Bertrand walking with the alleged victim. Two mechanics on the tarmac saw the incident and ran to help.

Bertrand will be back in court on Sept. 26.