Article continues below advertisementTyler Robinson was determined to end Charlie Kirk's life, according to a handwritten note included in newly unsealed court documents.In the letter to his lover, which was made public in full on Thursday, April 9, the suspected killer began: "Luna, if you are reading this per my text, then I am so sorry." "I left the house this morning on a mission," Robinson continued. "I am likely dead, or facing a lengthy prison sentence. I had the opportunity to take out Charlie Kirk, and I took it.