Not only did it have increasing cases of overdoses since 2011-even stronger compounds were found in the city earlier this year. "People know, that are not users; family members, friends, neighbors might know who the someone is".
"The Cincinnati Police Department has received preliminary information that there have been a very high number of heroin related overdoses in the area today", Lt. Steve Saunders said.
Jennings County Sheriff Gary Driver says Tuesday's overdoses sent deputies racing from home to home across the county to administer an anti-overdose drug to victims.
Fentanyl, an opioid 100 times stronger than heroin, was discovered in the drug stream across Cincinnati and Northern Kentucky, as well as animal analgesic Carfentanil.
Less than a week ago, CNN reported 27 heroin overdoses within 4 hours in a West Virginia town.
Synan said it's too soon to say if there could potentially be a link to the Cincinnati overdoses Tuesday with the ones in IN, or with Purvis.
The first overdose happened around 6:00 Tuesday night and they continued until 12:30 a.m.
In Jackson County, authorities arrested 34-year-old Michael Purvis.
Jarvie Williams III, 23, is preliminarily charged with possession of a controlled substance, syringe, and paraphernalia.
The availability of Narcan has in some ways made addicts more daring, because it can be used to counteract heroin if they overdose, said Sgt. Jason Owens of the Butler County Undercover Regional Narcotics Taskforce. He was also arrested on a warrant through Jennings County. He faces several counts of dealing drugs.
Investigators are still trying to identify the supplier and find out where the heroin originated from, prior to hitting the streets in Cincinnati.
"The Cincinnati Police Department is working to identify commonalities in the overdoses in an effort to determine the source of this risky drug now being circulated", officials said.