WATCH: Murdered mom said daughter suffered from illnesses and needed wheelchair, feeding tub

  • Now Playing: Health tips to safely participate in Dry January


  • Now Playing: Health officials warn that this flu season could be severe


  • Now Playing: Man says he feels ex-girlfriend used him to kill her mom: Part 6


  • Now Playing: Did Gypsy Blanchard’s mom have Munchausen syndrome by proxy?: Part 5


  • Now Playing: Woman once praised for battle with illness revealed to have never been sick: Part 4


  • Now Playing: Gypsy Blanchard on what happened the night mom was stabbed to death


  • Now Playing: Woman allegedly suffering from multiple illnesses arrested for mom’s murder


  • Now Playing: Murdered mom said daughter suffered from illnesses and needed wheelchair, feeding tub


  • Now Playing: Chris Watts sentenced for murder of pregnant wife, daughters: Part 6


  • Now Playing: Shanann Watts and her two daughters are found dead: Part 5


  • Now Playing: In a shocking statement, Chris Watts describes how he killed his wife: Part 4


  • Now Playing: Chris Watts led double life before murdering his family, court docs show: Part 3


  • Now Playing: Desperate search after Shanann Watts, young daughters disappear from home: Part 2


  • Now Playing: Chris and Shanann Watts’ seemed to be in love, say friends, family: Part 1


  • Now Playing: Jaw-dropping moments in the Chris Watts interrogation


  • Now Playing: Parents of slain daughter on changes in Chris Watts’ behavior: ‘Just cold as ice’


  • Now Playing: Remembering Shanann Watts: ‘Her love for children and friends was amazing’


  • Now Playing: Texas couple’s wedding anniversary celebration ends in tragedy: Part 1


  • Now Playing: Woman discovered tied up in a closet, husband stabbed, beaten to death: Part 2


  • Now Playing: Woman goes from grieving widow to suspect in husband’s murder: Part 3