“…For example, prior studies have indicated that the use of methamphetamine, a non-opiate synthetic drug, may increase the likelihood of its users engaging in criminal behaviors, including assault, kidnapping, reckless driving, robbery, and homicide [ 22 , 23 ]. Empirical data suggest a strong association between young people’s drug use and criminality, even when dealing in drug and trafficking are disregarded [ 24 , 25 , 26 ]. On the whole, young drug users have been found to be increasingly involved in criminal justice-related issues [ 27 , 28 ].…”