The charges include aggravated murder, discharge of a firearm, obstruction of justice, and witness tampering. Prosecutors said Robinson's DNA was found on the rifle's trigger.

Here are the seven charges:

Count 1: Aggravated murder (capital offense)

Count 2: Felony reckless discharge of a firearm causing bodily injury

Count 3: Felony obstruction of justice for hiding the firearm

Count 4: Felony obstruction of justice for discarding the clothing he wore during the shooting

Count 5: Witness tampering for asking roommate to DELETE incriminating messages

Count 6: Witness tampering for demanding the trans roommate stay silent, and NOT speak to the police

Count 7: Commission of a violent offense in the presence of a child

Utah County Attorney Jeff Gray told reporters earlier that he intends to seek the death penalty against Robinson. This means Robinson will be held without bail. 

"I do not take this decision lightly, and it is a decision I have made independently as county attorney based solely on the available evidence and circumstances and nature of the crime," Gray said.