Go to this site, http://www.sfr.psu.edu/PDFs/HicksThesis.pdf it is way to long to post here. But, it is very clear by the terms of the legislation pointed out here, medical marijuana is a cash crop worth huge money.

When any LEO takes your Medicine, he/she can be held responsible for up to 3 times it's value depending on which state you live in and the language of the marijuana laws.
jamessr Reviewed by jamessr on . The Timber Trespass statutes cover medical marijuana IN THE SUPREME COURT OF THE STATE OF WASHINGTON MARTIN BIRCHLER, a single man; ) and JUDITH WILSON, a single ) woman; and DEAN B. LANG and Rating: 5