Yea, they were just in it for the money. Oh wait. 
"Marshall’s family members said they wanted to force changes in how sheriff’s deputies treat mentally ill inmates.

“If what happened to Michael can lead to changes in the jail system that will protect people in the future, then we will not have lost him in vain,” niece Kisha McFarland said in a statement."

"The settlement also includes provisions that require changes to city policies and training and staffing at the Denver Sheriff Department, which manages the city’s two jails."