Why do you think it's the Russian mob?
Many in the Russian mob are actually Jewish-Russian.
At the end of the 19th century was when the US had a large influx of East-European Jews, many from Russia.
But also Romania, Poland, Czech, Bulgaria, etc.
If you look into Hollywood's founders they were often Russian Jews. Russia even has a Jewish state.
However, not all of the Russian mob is Jewish either. There's a lot of Russian-Orthodox mob, and I don't know how tightly-intermingled they are.
My ex is Russian, and on her father's side were Orthodox Russian mob, and her mother came from some sort of Gypsy Russian ethnics. I know the father's family did not approve of him marrying her.
But I've also met some of that family who fled to Canada, and they are wealthy in Canada.
They claimed to be Jewish when applying into Canada allegedly, but my ex made it seem like that was a lie to help their chances.
A lot of the child-related blackmail I'm aware of is run through Israel. And once again, there are Russian Jewish Israelis who are tied into that.
We often hear the ruling class referred to as "globalists" or internationalists, and that's true in a number of ways.
Today, the more wealthy you are the less likely you are to care about nationalism, and that comes from jet-setting to be with other wealthy people all around the world. But also because they move their money around the world to avoid fees and confiscation.
Then there's the fact that until 1949 Jews all thought of themselves as having no homeland.
There are politicians in Europe who decry nationalism, promote the EU, and yet vehemently praise and love Israel as the Jew's nation. In clear hypocrisy.

It's also well-established that Jews in the USA(and I assume much of the West) who are caught in crimes will flee to Israel where they will not be extradited for virtually anything. It happened recently with a sting in Vegas that got some high profile.
But if you look at LOCAL News stories you'll find there are many many such reports. It doesn't make it to national news at all.
But also, Putin is tied in with mob. He doesn't seem to be able to make things happen for his causes via extra-political means. Ukraine is also allegedly tied into the Greater Israel project, and Jews are also present in Ukraine. Zelensky being one.

Kennedy was the first Catholic president of the USA, and that wasn't by chance. The USA always had a sort of adversarial approach to Catholicism because of it's international influence, and there have been communism/Catholic ties in the past.
The same is true of Jews, but in a less overt way.
I don't know when the USA became so in-love with Jews and Israel, but there used to be strong anti-semitism in our culture. Henry Ford being an example of it, and Ford was the type of elite I respect. He was a nationalist ahead of a capitalist.