An Indiana father is accused of forgoing medical treatment for his 8-year-old son who ingested his meth and ultimately died of an overdose. According to The Tribune, a toxicology report released Thursday revealed Curtis Collman III had 18,000 nanograms of methamphetamine—180 times the lethal limit—of methamphetamine in his bloodstream when he died June 21. The 8-year-old reportedly …