Alabama missing persons cases By Nathan_King Oct 27, 2012 Lisa Wallace has argument with husband, Chris Period: Oct 27, 2012 to Feb 16, 2019 Lisa Wallace -- missing since Oct. 2012 Oct 28, 2012 Chris Wallace says Lisa left with their daughter to go to her mom's house, but she never shows there. Mom files report Apr 14, 2013 Search for Lisa Wallace's body comes up empty Jun 18, 2015 Pei Yun Sung last seen at work Period: Jun 18, 2015 to Jun 29, 2015 Pei Yun Sung Missing since June 18, 2015 Jun 19, 2015 Pei Yun Sung went for a walk at 5:30 a.m. June 19, did not show up for afternoon shift, roommate/sister calls police Jun 22, 2015 Pei Yun Sung official report listed as June 22, search dogs sent out June 22 Jun 29, 2015 Pei Yun Sung reward offered by employer (worked in the same restaurant for 10 years before disappearance) Jun 29, 2015 Pei Yun Sung search party gathered, comes up empty Jun 29, 2016 A year since Pei Yun Sung's disappearance -- no new leads Feb 7, 2018 Daniel Rickett has eye surgery Period: Feb 7, 2018 to Feb 9, 2019 Daniel Rickett -- missing since Feb. 2018 Feb 8, 2018 Daniel Rickett last seen by his sister Mar 5, 2018 Daniel Rickett award rises to $3,000 Feb 9, 2019 Daniel Rickett story in Birmingham local news with mother: "I don't feel like the city is doing enough ... no Amber alert" Feb 16, 2019 Chris Wallace shoots officer, standoff outside Auburn Dollar General Feb 17, 2019 Chris Wallace dies by suicide after standoff; Lisa still missing