Utah law enforcement personnel are set to hold a press conference Tuesday after charges were filed against Tyler Robinson , who is suspected of fatally shooting Charlie Kirk ... officials are expected to give details on each of the counts.

This update comes less than a week after Robinson was apprehended as the main suspect in the conservative pundit's assassination ... he was booked on suspicion of committing 3 crimes in the case, including aggravated murder, obstruction of justice, and felony discharge of a firearm causing serious bodily injury. FBI

Robinson was formally charged Tuesday ... with Utah County Attorney Jeff Gray previously noting that they're in the "very early stages" of the investigation.

Gray noted the preliminary charges would likely reflect Robinson's b

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