What to ask a real estate agent when property is listed?

[Andre L Franklin]

I found a house on realtor.com and want to talk with the agent. Do I ask the agent to speak with the owner? and if I want to find out if the property has liens or backed up on taxes, will the agent know? do I ask them to check? just not sure what to ask lol but i'm going to figure it out! Just need a little guidance as a novice wholesaler, thank you for your time.