Crime and drug infestation. 

My property was broken into and there are signs of drug use, copper pipes were stolen, appliance control boards stolen, damages caused, camera system was stolen too, and much more.How does insurance look at this?

Drug his feet on getting together the $12k down payment but eventually came through.  1 month later has missed the first payment.  99% sure I'll have to foreclose on him. 

Drug sales on property7.

Except I knew her boss and found out her boyfriend had just gotten out of prison and got her back on whatever drugs they liked to do together, and she had actually just lost her job and lied about the cancer.

Below is a link to a 5+ year flip that a member was drug through due to an occupant who was in place and related to the seller.

She worked with my schedule for discussing the deal, and as the process got drug out longer, she continued pushing the parties to make sure everything made it to completion.

Depending on the type of "group home" (drug/alcohol rehab, handicapped, mental illness, elderly, etc.) you have other laws to make sure you comply with, and great point by David D Painter re insurance.

Squatters usually end up with trespassing and various other charges (criminal mischief, burglary, theft, usually drug and weapons possession charges or they have outstanding warrants for other stuff/ are on probation).

$100K In Cocaine, $65K Cash Seized Drug BustThis is what i saw when i looked up the tenants of the unit in a triplex i'm buying.