The house is in Ohio. They are 3 months in to a 2yr rent to own lease. I did check with my landlord insurance policy and we do have vandalism coverage..... I hate to think of how ugly it could get, and hate to involve neighbors who live there, although they are aware of the charges and suspected behavior. Can they contest the 30 day notice, since they've paid on time? Timing wise it may be good to get this done in winter months before people are spending time outside....
This complicates things. I think everyone who posted assumed it was a month-to-month agreement but since you have a lease, you will need to evict if payments are missed.
I know I have a clause in my leases which immediately voids the contract if the tenants are participating in illegal activities on my property.
I would also consider this.....if they ARE drug dealing from your property, what are the implications for you as the property owner, especially if you know what is happening but do nothing about it? Then also consider the types of people they are bringing into your neighbourhood. You may see property values in the area decline as the crime rate increases or it becomes known as a drug area.
I am currently dealing with a drug-dealing neighbour where I reside. Talk to your local narcs, they are a font of information and your tenants may already be on their radar.