With a half-finished green house, licensed medical marijuana patient and caregiver Devin Noonan grows a total of 72 cannabis plants in Augusta, Maine.

Rarely inspected, medical marijuana caregivers could feed illegal markets

In an environment of conflicting medical marijuana laws across the country, caregivers operate almost entirely without government oversight, according to a News21 analysis of laws in the 23 states. State regulators acknowledge that this lack of oversight could and does encourage the illegal sale of marijuana by caregivers to people who may or may not hold a medical marijuana card.