Oulay Vanh Thanavong, 41, was last seen May 2, 2016, at Dallas-Fort Worth International Airport in Fort Worth, Texas. A Delta Airlines employee, he was trying to catch a standby flight to California to visit his sick mother. After failing to get a seat he left the airport with an unidentified person.

Investigators later confirmed he made it back to his apartment; the clothes he had worn to the airport were found there. He did not own a vehicle and typically used friends or hired drivers for rides. There were no signs of foul play or unusual activity at his residence, and his checking account has shown no activity since he disappeared. Law enforcement continues to seek information about what happened after he returned home.

If anyone knew Oulay’s usual contacts, movements after May 2, 2016, or the person seen with him at the airport, please share what you know.