1- isnt that tampering with evidence = additionnal charge ?
2- do you throw everything in the microwave at the same time ? for how long ?
3- will the microwave survive ? (jk)
for your #1 i think the answer is yes if you get caught. i read about vericypt and ways of having a decoy that may be better. i think it depends on situation.
When they hit 3 months old, they'll go in the wiki.