XXXTentacion, whose real name was Jahseh Dwayne Ricardo Onfroy, was shot and killed in a targeted robbery on June 18, 2018, in Deerfield Beach, Florida. He was leaving a motorcycle dealership when he was approached by two armed individuals in a dark-colored SUV. The assailants shot him multiple times, including in the head, in what was reported as a drive-by shooting. He was taken to the hospital but was pronounced dead.
The details you mentioned about getting shot in the head multiple times or once, and the specific number of shots, are not accurate. The exact circumstances of his death were widely reported, and there's no credible information supporting those specific details.
As for the identity of his killers, several suspects were arrested and charged in connection with his murder. The motive was believed to be a robbery. It's essential to rely on accurate and verified information when discussing such events, as misinformation can contribute to confusion and misunderstandings.