“Fentanyl made me an only child.” Bodysnatcher have built a career out of pairing cataclysmic deathcore with raw, ruthless lyrics. But this line is, by far, the most savage and personally devastating in the Florida outfit’s entire discography. Sitting at the heart of “Murder8,” the Jamey Jasta-featuring gut punch from the band’s new EP Vile Conduct, these are six words born from a real-life nightmare that drummer Chris Whited has lived through the past two years.