TAMPA, Fla. (WFLA) — It has been two years since a Tampa Bay mom lost her 27-year-old son to a fentanyl overdose. She’s now raising awareness about the deadly dangers in her community.

Willis returned to Siesta Beach on Saturday in memory of her son, Zachary.

“That was our last Mother’s Day together, we hung out, we talked, it was really nice. We had Wawa hoagies and that’s what I did today,” said Willis.

May of 2022 was the last time she saw her son. Zachary then moved to Colorado for a job.

“Seven weeks later we got the call that he had died from fentanyl poisoning,” said Willis.

Willis said Zachary purchased two oxycodone pills. He was only 27-years-old.

“His toxicology was off fentanyl and that one to kill 20 people,” said Willis.

Through Willis’ pain, she’s determined to ensure no other mom has to go through this tragedy. Zachary’s photo is now up on a South Tampa billboard to raise awareness of the dangers of fentanyl because she said one pill will kill.

“My heart just sank because I never thought that I would have to look at my son on a billboard about fentanyl,” she said.

Willis is tragically not the only grieving mother who’s lost a child to fentanyl. She’s part of Rachel’s Angels, an organization that discourages kids and people from experimenting with drugs through education and awareness.

“We hand out free Narcan and try to pass awareness of the danger,” she said.

Even though two years have passed since Zachary’s death, she still holds him close.

“I also wear his thumbprint here close to my heart,” she said.

Willis plans to head to Washington D.C. next week for the Lost Voices of Fentanyl rally. She will be marching in front of the White House to save lives in memory of her son.