Mother of TikTok star Sania Khan, killed in murder-suicide, sues building for wrongful death

"Sania Khan's story is a tragic one that should have been prevented. The defendants had known for more than [seven] months that Sania's estranged husband posed a significant threat to her life," Chicago attorney Mike Gallagher said. "And despite this knowledge, the defendants allowed him to walk right past security before escorting him into the...