Aiemsakul was last seen in Gaithersburg, Maryland at approximately 2:00 a.m. on March 4, 2002. Her ex-boyfriend told authorities that they had an argument at his residence in the 8200 block of Goodhurst Drive. He claimed that Aiemsakul walked away from his house shortly afterwards. She never returned to her home and has not been heard from again.

Aiemsakul was enrolled at the Rockville, Maryland campus of Montgomery Community College in early 2002. She was employed at the Red Lobster restaurant on Shady Grove Road. Aiemsakul frequently visited the Soho Coffee Shop in the Dupont Circle area. She enjoys playing pool at the billard parlor on Snouffer School Road in Gaithersburg. Several of Aiemsakul's friends reside in Virginia.

Aiemsakul's ex-boyfriend reportedly refused to continue to cooperate with investigators. There have not been any arrests in connection with her disappearance. Authorities announced that they believed the area surrounding Aiemsakul's ex-boyfriend's home was thoroughly searched after she was reported missing. No evidence related to her case was discovered. Her parents believe he was involved in her disappearance in some way; they say he was obsessive and would not leave her alone after they broke up. There has not been any activity on Aiemsakul's credit cards or cellular phone since March 2002. Her case remains unsolved.