Upon first arriving at Dennis’s property on May 24th I was unable to access Room 8, because there was no key and the previous tenant had not checked out. I returned later after our phone conversation and briefly met with the lady who had just finished cleaning the room prior to my check-in. She left a Room 8 key inside the room on the dresser. The environment overall was very disruptive throughout my stay, and became unsafe. Dennis’s friend (the previous occupant) who he wrote “might have some mental challenges sometimes” had possession of a second copy of my room key (unbeknownst to me) and seemed unwell/unstable. She said she had called the police to the property the day before, claiming there had been a break-in, and was "afraid". Last night she slept in the hallway on the floor, barricaded the entryway door with a broom and ironing board from the inside, and generally made me unable/uncomfortable to sleep all night or even enter the hallway to use the bathroom until morning. In the morning, she left all her personal things, along with household items strewn throughout the hall. Dennis took no accountability for what happened. He did not apologies for his friend not checking out before my arrival and for the room not being clean. Dennis also told me that I must have had two keys for my room because he told her to place the key on the drier (unbeknownst to me again). His friend gave me the extra key after saying she did not know how she came with, but open room 8 door, entered, and saw that it was occupied. At no point did I take a key off the drier. It is clear that she did not return and/or held on to the Room 8 key since she was the previous tenant who failed to check out of Room 8. This was obviously alarming, made me feel unsafe, but I had no other option so late that night. I am disappointed, and resent being blamed wholly or partially for any of these events. I understand there can be breakdowns in processes and communication when you are away, but a stranger in possession of my room key (without my consent or knowledge) is unacceptable and clearly unsafe. The next day, I told Dennis that I would not be spending my last night there because my daughter was concerned and booked a hotel for me. I reached out to Dennis for a refund for the night missed due to the unsafe environment and circumstances around my stay. However, Dennis did not want to take accountability so and I reached out to Airbnb customer support, now requesting a full refund because of the back and forth with Dennis. Airbnb told me “your story builds a much stronger case than this documentation makes” when I submitted documentations of some of the events. Needless to say, I will not be using Airbnb services again and or recommending them in the...