Mariguana is most of the weight and the volume of cartel operations but Mexican intelligence analysts say it produces only a quarter of the revenue.<p>That leaves the majority of cartel revenue still viable as long as amphetamines are restricted. Opiates are a rising profit center as DEA policy blocks branded opioid distribution equally to addicts and chronic pain sufferers.<p>--<p>Parent describes legal marijuana businesses as targets for cartel violence because they do business in cash. Foreign cartels can&#x27;t compete against local US gangs if that emerges as a racket. Also, it may become possible for mariguana businesses to use banks if cash starts driving crime. States may have to charter or run state banks eventually if federal officials continue to block the federal banks.<p>In any case there are no black markets as persistently profitable as the cartels&#x27; current drug business.