The police who are still investigating disclose that they believe the gunman arrived at the venue specifically to commit the crime.
According to E! Online, many people are baffled that her killer could have been a stalker, after the tragic death of the former "The Voice" contestant who was shot on Friday June 10, 2016, by a man who later killed himself after being challenged by Christina's brother.
Ashly Nicole who is a friend to the late singer said; "Christina never talked about security concerns at all, there didn't seem to be any warning signs at all,"
The police, who are still investigating, disclosed that they believe the gunman arrived at the venue specifically to commit the crime.
The 22-year-old singer was reportedly signing autographs with the band, Before You Exit, after their show which took place at the Plaza Live Theater, in Orlando when an unidentified man walked up to her and shot her.
Orlando police confirms that Christina's brother had tackled the man before he had shot himself, while the singer had been transported to the hospital where her rep later confirmed her dead.