That was probably humoristic, but
If violence have been done, investigate that.
If fraud have been done, investigate that.
If illegal substances has been transacted, investigate that.
If someone has been enslaved (nonsensically/newspeakly called trafficking) then take action on that.
Money moved over the border? Has to be ignored. Can not be outlawed, just as giving someone a piece of cake against a cup of coffee in return, can not be taxed. (It they could, they would).
Correct.
Although bitcoin may be unrelated to the crime, some one with expertise in bitcoin could help unravel the 'money trail', leading to the criminal.
That is where the special teams could come in.