If I found a bundle of cash ($700k) hidden by a drug cartel, would I be able to keep it and spend it without getting caught by the IRS? How would I be able to store the money, spend the money, etc.?

 If I found a bundle of cash ($700k) hidden by a drug cartel, would I be able to keep it and spend it without getting caught by the IRS? How would I be able to store the money, spend the money, etc.?