Circumstances of Disappearance
Pfeifer was last seen in Katy, TX on April 12, 1986. She lived with her parents. She left home in the early evening to attend a party in North Katy, with five friends. While there, Elizabeth became very drunk. Around midnight, she left the party with an unknown man. Her friends knew she was leaving, but they did not know the person she left with.
Her parents reported her as missing four weeks later. She didn't take her purse with her, containing her ID and personal information, including money.
She abused alcohol and drugs at the time.
The man that Elizabeth left the party with was found and questioned, he told the police at that time that he had left the party with Pfeifer. He took her to his apartment in Houston, and then took her back to Katy. He said that they stopped at a gas station on North Mason Road and as he was filling up his vehicle with gas, Elizabeth left him.