I simply don't believe this. Any one crime is hard to solve but the same criminals are doing most of the crime, so if policing were effective you'd still see closure rates.
>if they maintain decent opsec.
don't believe this either. no one has ever maintained decent opsec.
Nobody you've read about has ever maintained decent opsec. There's tons of people who started as petty criminals who made it to mid ranks, got old and got out before they got killed or got caught.
>if they maintain decent opsec.
don't believe this either. no one has ever maintained decent opsec.