article_snippet: A father shot dead A father girlfriend and his daughter two children before setting her two children home on fire, authorities have said.
article_snippet: Corey LaValley, 32, was arrested on Tuesday for the murders of 33-year-old Debra Sheppard, his 10-year-old son Corey LaValley Jr., and Sheppard's daughter, 13-year-old Emma McComber.
article_snippet: his is accused of shooting the trio dead at the trio dead mobile home in Dorr, Michigan Michigan on Monday before returning to the home and setting the home alight on Tuesday at around 1pm.
article_snippet: his has been charged with open murder, arson and using a firearm during a felony. '
article_snippet: Killer': Corey LaValley, left, allegedly shot dead Killer girlfriend Debra Sheppard, right, and his girlfriend Debra Sheppard two children on Monday before returning to their Michigan mobile home on Tuesday and setting it alight .
article_snippet: LaValley allegedly killed LaValley 10-year-old son, Corey Jr, left, and LaValley girlfriend's 13-year-old daughter, Emma McComber, from a previous relationship.
article_snippet: Devastated: Emma's father, William McComber, hugs LaValley mother-in-law at LaValley home in Lowell, Michigan, a day after LaValley learned that LaValley 13-year-old daughter, his mother-in-law mother and brother had been murdered .
highlights_snippet: Corey LaValley 'shot dead Corey LaValley ' girlfriend, Corey LaValley ' two children - including Corey LaValley ' son - in their mobile home and returned to burn it down the next day'
  
highlights_snippet: The bodies of Debra Sheppard, 33, Emma McComber, 13, and LaValley's son Corey Jr., 10, were found at the home in Dorr, Michigan on Tuesday .
  