You stop a driver on the highway.
Whether you make a status check or not, if you suspect the driver is undocumented, thanks to SB 1070 you have some more paperwork to do.
42 percent of cases where there was an immigration check end in arrest.
Overall, only 1 percent of DPS stops end with someone detained.
78 percent of cases where there was an immigration check involve a citation, compared to 45 percent of overall stops.
No license is the most common citation for people whose immigration status is checked.
Because of this, a vehicle is impounded 41 percent of the time in these cases.
Compared to 2 percent of the time for all traffic stops, regardless of whether or not the status was checked.