Social media stars are mourning the loss of TikToker Cooper Noriega.

The influencer died on June 9 at age 19. The star, who has more than 1.8 million followers on TikTok, was discovered unresponsive in a Southern California mall parking lot, law enforcement sources told TMZ. The outlet reports that no foul play is being suspected. An autopsy is currently underway.

In his final days, Cooper championed candid discussions about mental health, opened up about his long struggle with addiction and expressed interest in opening a “rehab where people aren’t traumatized at the end of their recovery.”

Cooper shared his most recent TikTok posting on June 9th. This was in collaboration with another influencer Bryce Hall. Following Cooper’s death, Bryce commented, “I love you so much.”

Sam VicchiolloHe wrote: “i pray that you find peace and that you are able to love your family as much as possible, cooper.”

RoshaunComment: “Rip brother, I love you.”

Peyton Jordan wrote, “love you coop.”

Ahlyssa MarieI wrote “Love you coop…thanks for all the wonderful memories.”

Kory Les commented, “Man, wish we could be hopping on fort talking smack to each other again… you will be missed coop.”