Yes. I did more research than I ever wanted to and saw some things I wish I didn't. I went on ride-alongs spent time with Homicide Cold Case and SVU detectives hung out in subways learning how to spot pervs and pick-pockets viewed an autopsy went to a police firing range and witnessed court cases and I read read read.
Methamphetamine is a hideous drug. Meth makes a person become paranoid violent and aggressive - making them a serious threat to society and law enforcement. And maybe more importantly meth users are a threat to their own children and families.