Relatives told police that Young had been struggling with heroin addiction and had been in and out of rehab in recent years, according to the arrest warrant affidavit. [...] police discovered text messages showing that he was setting up a delivery to Young, and that he told the victim to “be careful there really strong bro no joke there some of the best I’ve ever gotten no exaggeration,” court records state. Local, state and federal law enforcement officials have stepped up efforts in the past year to target dealers involved in transactions leading to opioid deaths.