Utah teen charged with killing mother, 8-year-old brother as mystery of final hours unravels: police

A 17-year-old Utah boy has been arrested and charged with the murders of his mother and 8-year-old half-brother, who were found shot to death in their home. The arrest followed a 17-month investigation that utilized surveillance footage, DNA evidence found under a victim’s fingernails and on clothing, and alleged notes about forensic testing found in the suspect’s room. Prosecutors intend to seek to move the case to adult court.

• A 17-year-old Utah boy is accused of killing his mother and 8-year-old half-brother.
• Police arrested the teen after a 17-month investigation involving search warrants, evidence collection, and forensic testing.
• Surveillance audio allegedly captured an argument and three gunshots at the family’s home on the night of the killings.
• Investigators believe a masked figure seen on neighborhood cameras hours after the shooting matches the teen’s build.
• DNA evidence, including the suspect’s DNA found under a victim’s fingernails and on clothing, along with gunshot residue on his clothes, were key pieces of evidence.
• Handwritten notes mentioning ‘serology,’ ‘DNA,’ and ‘firearm testing’ were reportedly found in the teen’s room.
• Prosecutors intend to seek to transfer the case from juvenile court to adult district court.