Your research process should include gathering information about the safety of a neighborhood, city, etc. Especially when you can’t visit the property in advance, use these tools shared by Safewise.com:
Private rentals and sublets are often the most cost effective options, but unfortunately, housing scams are common. It’s important that you thoroughly research the property and the “landlord” to avoid falling victim. Here are some resources to help you navigate this process:
USA.gov: Housing Scams (contains information about reporting scams)