Tyler Robinson left obscure messages on bullet casings, authorities say, but they have yet to discover a clear motive.

Tyler Robinson, the 22-year-old student arrested and identified in connection with the shooting death of conservative ...

How did Tyler Robinson -- a straight-A student raised Mormon by Republican parents -- become the alleged assassin of ...

Tyler Robinson, a 22-year-old Utah man, is in custody in connection with the fatal shooting of conservative activist Charlie ...

State and federal officials say a suspect was taken into custody on Thursday night in connection with Wednesday's fatal ...

Tyler Robinson had been close to his parents and two brothers growing up, and would often go on outings camping or hunting, a ...

Shortly before Gov. Cox and the FBI held a press conference on Friday morning, President Donald Trump had said during a live ...

Following a two-day manhunt, a suspect in the assassination of conservative activist Charlie Kirk was arrested early on ...

Utah authorities arrested Tyler Robinson, a Washington County man, for Charlie Kirk's murder following tips from family ...

Four years later, authorities say, Robinson fired a rifle shot on Tuesday from atop a building at another university campus, ...

Tyler Robinson's father reportedly assisted in capturing the alleged gunman taken into custody for the killing of Charlie ...

Authorities identified Robinson as the alleged gunman in Wednesday's fatal shooting of conservative influencer Charlie Kirk.