Livor mortis = color (fixed after 6-8 hrs). Rigor mortis = stiffening (starts at 1-2 hrs, peak at 12).

Abrasion = epidermis only. Contusion = intact skin, ruptured vessels. Laceration = blunt trauma tear.

Organophosphates = pinpoint pupils, give Atropine. Lead = basophilic stippling, wrist drop.

IPC 304A = Death by negligence. IPC 320 = Grievous hurt.