Adam Harrison, Son of “Pawn Stars”' Rick Harrison, Cause of Death Confirmed After He Died at 39

The son of the 'Pawn Stars' personality died on Jan. 19

The cause of death for Adam Harrison, the son of Pawn Stars star Rick Harrison, has been determined.

Rick's representative, Laura Herlovich, tells PEOPLE that Adam's death was due to a fentanyl overdose.

Related: Paying Tribute to the Celebrities Who Have Died in 2024

TMZ was the first to report the news of Adam's death at age 39 on Jan. 19. At the time, it was only reported that Adam had overdosed.

The Las Vegas Metro Police Department also confirmed to TMZ that there was an open investigation into his death.

At the time, Herlovich shared a statement with the Las Vegas Review-Journal on behalf of the Harrisons, saying, "Our family is extremely saddened by the death of Adam. We ask for privacy as we grieve his loss."

Related: Adam Harrison, Son of Pawn Stars Rick Harrison, Dead of Overdose at 39

In a statement on Instagram, Rick shared a photo of the father-son duo and wrote, "You will always be in my heart! I love you Adam. 💔."

Rick also shared some throwback photos with his son on Tuesday, writing beside the images: "Amazing memories"

Never miss a story — sign up for PEOPLE's free daily newsletter to stay up-to-date on the best of what PEOPLE has to offer.

Adam was the second child of Rick and his ex-wife, Kim. He is the younger brother of Corey Harrison. Rick remarried his second wife, Tracy, and the couple welcomed one son, Jake.

Adam did not appear on Pawn Stars alongside Rick and Corey. However, Adam reportedly worked at Gold & Silver Pawn before the unscripted program's 2009 premiere.

If you or someone you know is struggling with substance abuse, please contact the SAMHSA helpline at 1-800-662-HELP.

For more People news, make sure to sign up for our newsletter!

Read the original article on People.