INDIANAPOLIS (AP) – The mother of an Indiana University student who vanished in 2011 says she's frustrated by the dismissal of a civil lawsuit she and her husband filed against three men who were with her daughter the night she disappeared.

Charlene Spierer tells The Indianapolis Star that she hopes Judge Tanya Walton Pratt rules differently in the cases of the other two men.

Lauren Spierer was 20 when she disappeared June 3, 2011, after partying with friends in Bloomington. The Spierers argue the fellow IU students gave their daughter alcohol, then failed to make sure she got home safely.

No one has been charged in the Greenburgh, N.Y., native's disappearance.

Charlene Spierer says she hopes the cases against Corey Rossman and Jason Rosenbaum move forward.