now. tonight, a newly released nationwide aclu report says african americans are more likely to be arrested for marijuana possession than caucasians. jeff bush takes a look at that report. reporter: the aclu says more african americans were arrested compared to whites last year. it is more likely that black people are to be arrested for marijuana possession. it is true across the country, true in california, true in san francisco. reporter: the sfpd is said to operate in a similar fashion to other police departments and profiles minorities using pot possession as a reason to discriminate. blacks are 4.3 times more likely be to be arrested than whites. reporter: which is hard to believe when you think about the tolerant view of marijuana use in san francisco and there are marijuana celebrations every year with thousands openly smoking weed. sfpd did not address the years of the study from 2001 to 2010 but said in 2011, the year the current chief took office, there