professor jack glaser of u.c. berkeley, thank you very much.lso lieutenant of richmond. >>> moving on now, more than 43 million americans have a mental health condition. more than half never get help, even those who have insurance. state and federal laws were supposed to fix this. even in places like the bay area where there's an abundance of therapists, insured patients struggle to find mental health care. kqed's health reporter explains. >> reporter: on a sunday afternoon, natalie and her boyfriend, russell, head to the park with natalie's 13-year-old son. >> you can't hit me. >> he has autism, a developmental disorder that affects about one in 70 children in the u.s. >> he has strength -- one side of the brain, and weaknesses on the other side. to control your emotions or this and that, you know? strengths could be like coding or, you know, focusing on one things for hours. >> reporter: each week an applied behavioral analysis or aba therapist comes to the house. aba therapy helps kids with autism learn life skills and how to control their t

joining me now from washington, d.c., is one of the report's authors, jack glaser, a professor of public policy at the university of california at berkeley. >> megan: first of all, professor, can you tell me, when we're talking about use of force what are we talking about exactly? >> that's a really important question, because different departments define it somewhat differently. that was one of the challenges of this research project was to harmonize data across different departments so we can meaningfully compare them in terms of what they're identifying as use of force, but generally, what we're talking about is when police use physical force to detain or move or bring into compliance a civilian they're dealing with, and that could arrange from their mere presence as a threat of force to gentle hands on to all the way up to tasering and use of lethal force like firearms. >> megan: the report also refutes the notion this happens more often to more african-americans because they have more contact with police, right? can you walk us through that? >> yeah, that is one of the general argum