"There's something missing, and it was our mom." They were just two-years-old and six-months-old when their mom, Denise Amber Lee, was abducted and killed. Now, they said they're speaking to 20/20 so people can learn "how amazing she was." Watch Deborah Roberts' report "Her Last Call" premiere Friday, June 19th at 9/8c on ABC. Stream this weekend on DisneyPlus and Hulu. #DeniseAmberLee #TrueCrime #Remembered #Investigation