Not sure why this is downvoted, it's just factually true.
Police and politicians talking about outlawing things that help criminals as though it will somehow affect the criminals, will never cease to amaze and amuse me. It's such an elementary error of logic.
The fact is that in a reasonably free society it's quite feasible to get away with lots of crime, if you're smart enough. There is no stopping this. Especially if it's a crime which doesn't leave a whole lot behind in terms of physical evidence. Downloading an OS is one such thing. Sure, if you seize my phone, you could prove it runs Graphene. But in a free society, you need probable cause for that, sorry. And if I am some major criminal, and Graphene stops my criminal enterprise from being proven, in a free society that's always preferable to getting busted, because the punishment for using graphene is gonna be meaningless compared to the punishment I'm avoiding by using it. Because a free society includes a protection against disproportionate punishments for minor crimes. Sure I'll pay your $500 fine to avoid 20 years in prison. Cost of doing business.
Once you realise this, you realise the only way to tackle crime is by legalising as many of them as possible, as long as they're not actively and unambiguously violating people's rights. Murder and other violent acts, obviously stay illegal. Drugs, prostitution etc? Legalise them. That's most of the crime right there, because these classes of crime actually provide something that's in wide popular demand. Demand + black market pricing + lack of taxes means lots of money, and money means power to create strong criminal organisations that can do whatever they want with impunity, including influencing politics. With all that out the window, all you have left is a bunch of individuals going at it alone; murdering psychopaths, desperate poor people, the mentally ill, crimes of passion, sex crimes, etc. And you just freed up a ton of societal resources to channel into those vestiges, both via targeted, intelligent policing and broader societal reforms that target the sociological processes that cause these kinds of crime(like wealth inequality, to name one).
Instead, what we get is a never ending arms race towards a totalitarian society. Oh well, see you after the next revolution, I guess.
Legalizing drugs had a pretty bad outcome for Portland, which is why they re-criminalized some drugs.
Prostitution leads to trafficking, a word I absolutely despise, particularly when it is used as a past-tense verb: "trafficked." Ugh! What poorly educated government hacks do to our language should be criminal! Regardless, human trafficking is terrible and if that part could be fixed, then maybe prostitution wouldn't be so horrible, but it is because it is pretty much never a voluntary situation for the women, but always some kind of coercion.