Hello Kitty-shaped candy contained fentanyl, ecstasy, Tennessee police say

"Parents, please remind your kids the dangers of picking stuff up off the streets," the Millersville Police Department said in a Facebook post.

Police are looking for Jesseka Sereniti Story as a person of interest in the case, WZTV reported.

"It's pretty disgusting and scary to think about that kind of stuff going on in your own neighborhood," MIllersville resident Nate Fisher, the father of a 5-year-old girl, told WSMV.

According to the National Institute on Drug Abuse, ecstasy, also known as MDMA or Molly, is a synthetic drug similar to stimulants and hallucinogens. Fentanyl is an opioid that can be up to 100 times stronger than morphine.