[Which laws that have been declared unconstitutional, are cops enforcing right now?
Disagreeing with a law does not make it unconstitutional. Keep that in mind.
Asset forfeiture
{
Article [V.]
No person shall be held to answer for a capital, or otherwise infamous crime, unless on a presentment or indictment of a Grand Jury, except in cases arising in the land or naval forces, or in the Militia, when in actual service in time of War or public danger; nor shall any person be subject for the same offence to be twice put in jeopardy of life or limb; nor shall be compelled in any criminal case to be a witness against himself,
nor be deprived of life, liberty, or property, without due process of law; nor shall private property be taken for public use, without just compensation.}
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Armed robbery is not due process of law. Seizure violates the constitution, and cops engage in it all the time. In reality it is simply armed robbery by the police - who are little more than another violent criminal gang running the streets.