This is a crucial step in identifying and cracking down on criminal elements.

This is a way to set the tone for your behavior on the site.

., college student, dependent parent) then they still need to pass criminal background check.

This is a crucial step in identifying and cracking down on criminal elements.

If you see somone with a high level of recent misdemeanor criminal activity their chances of getting a felony is high.  

For example, I mention that every adult must pay a $30 application fee, pass my credit/criminal background, make a combined income of 3x the rent, and whether or not the property accepts pets.

For example, my ad will state whether we accept pets, that we want provide income around 3x the rent, and that every adult must pass a credit/criminal screening.

All rules infractions have a point value, and if a resident accumulates X points in a certain time frame, there are several steps the manager takes to remediate the behavior i.e., curfew, no nights out, extra chores, eviction, etc.AH, eviction.  

Worse case, someone gets hurt or killed and you could be held criminally liable as part of the conspiracy to commit the crime even though you didn't intend the result.  

Criminals go where crime is easier and where they can avoid attention.