A drug made to treat animals is now being used by drug dealers to hook more addicts and it's killing people. The drug is called Xylazine and it's being mixed with fentanyl. A deadly combination that has put Duval county at the top of a list no county wants to be on. More people are dying here than any other county in the state.

The I-TEAM has been digging into the allegations against a former Nassau County Sergeant, who was also a DEA task force officer, and found possible ties to another drug investigation resulting in the arrest of a longtime Florida Highway Patrol trooper.

U.S. health officials say Merck's experimental COVID-19 pill is effective but they raised questions about its safety during pregnancy.