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‘16 & Pregnant’ star Whitney Purvis has been arrested for involuntary manslaughter after allegedly supplying a deadly drug mix that caused the death of John Mark Harris. Known as Tranq — a combo of fentanyl and xylazine — the drug reportedly triggered a toxic overdose. In a shocking twist, Whitney left a heartfelt message on the victim’s obituary page. Watch as we unpack the emotional fallout, her criminal history, and the charges she’s now facing.