article_snippet: A son took the stand in A son 's murder trial Wednesday to testify against A son .
article_snippet: According to the Deseret News, John had a very tempestuous relationship with John ex, and Pelle testified John would often say negative things about the woman in front of their children, telling their 'Uta's a bad parent' or 'Uta's making my life difficult.'
article_snippet: John said on the stand the two would often argue when the stand came to the children, and that the last time John saw the two together, John rolled up John car window and drove off with the couple's four children in the middle of a conversation that the two were having in von Schwelder's driveway.
article_snippet: That night, John woke John son up while John was sleeping and began displaying 'erratic behavior,' saying 'Uta's dead
article_snippet: John then asked his son, 'Am I a monster?'
article_snippet: The 21-year-old has long believed he father killed his mother, moving out of he father home when he father turned 18 and petitioning the court to remove he father three younger siblings from he father's care shortly after.
article_snippet: John, a pediatrician, has pleaded not guilty to the charge of murder.
highlights_snippet: 'What if I killed his mother and I don't remember?'