The main purpose of this legislation is to strengthen the legal framework surrounding the detention, inadmissibility, and removal of non-citizens who commit sexual assault. It aims to enhance public safety by ensuring that individuals who engage in such serious offenses face significant consequences under immigration law. Key provisions of this legislation include amendments to the Immigration and Nationality Act. It establishes that non-citizens who are charged with, arrested for, or convicted of sexual assault can be detained without the possibility of release.