New Delhi, Sept. 17 -- Utah prosecutors have disclosed text messages between Charlie Kirk's alleged assassin, Tyler Robinson, and his romantic partner-who is transitioning from male to female-showing apparent premeditation and confession in the killing of the conservative activist.

Court filings reveal that on the day of the shooting, Robinson sent his partner a note under his keyboard stating, "I had the opportunity to take out Charlie Kirk and I'm going to take it." When asked if he was the shooter, Robinson responded, "I am, I'm sorry."

Robinson justified his actions in another message, writing, "I had enough of his hatred. Some hate can't be negotiated out." Prosecutors said he had been planning the attack for more than a week.

Tyl...