Two cousins, Brandon Alexander Lyons and Jerrett Jamal Allen, used a dating app to lure at least two Asian men to their deaths, according to the NY Post.

Lyons, 18, of Houston was charged with the murder of Glenser Soliman on Monday. Soliman, a 44 year old nurse, was reported missing on February 16. His body was discovered five miles from his home by a man walking his dog on February 25. An autopsy revealed that Soliman had been strangled. Lyons was jailed in April after being charged for stealing Soliman’s car and placed on $200,000 bail.

Allen, 26, is Lyons’ cousin and is currently being sought following the disappearance of An Vinh Nguyen, a 26-year-old University of Houston student. Nguyen was last seen on March 31st, but wasn’t reported missing by his family until April 1st after he failed to show up to a job interview. He is still missing and presumed dead by authorities. Allen was last seen in April after he had used Nguyen’s credit cards.

Authorities say that Lyons and Allen lured Soliman and Nguyen through a dating app, although they would not disclose which one. They speculated that the pair may have worked together to specifically target Asian men and that there may be other victims yet to be discovered.

Detectives reminded the public that they should use the utmost precaution when meeting someone online. “This person might not be wanting to meet up for the same reason that you do,” lead investigator Mike Ritchie warned.