What to do when Turnkey property seller kept tenant security deposit..

[Amber Masterson]

I bought a duplex about three years ago from a turnkey company. They already had property management in place and I continued with that pm. I am in the process of switching to a new pm and I just found out the turnkey seller kept the security deposit for the tenants that were in there when I bought the property instead of having the pm hold onto that security deposit. What do I do? Do I have to cover the security deposit for the tenant from my own pocket? Should I try to reach out to the seller and get the security deposit back? Any help would be appreciated!