If DEA confiscates proceeds of a crime and it's all Bitcoins. Will they cash them and give further validity to the Bitcoins or is it effectively sent to /dev/nu

If DEA confiscates proceeds of a crime and it's all Bitcoins. Will they cash them and give further validity to the Bitcoins or is it effectively sent to /dev/null indirectly increasing the value and indirect lesson in drug economics? Interesting dilemma for them.