Criminalist, Ryan Nickel, views a prepared slide of a semen sample from a sexual assault case in a microscope at the Sacramento District Attorney's Crime Lab in 2010.
Criminalist, Ryan Nickel, views a prepared slide of a semen sample from a sexual assault case in a microscope at the Sacramento District Attorney's Crime Lab in 2010. Lezlie Sterling Sacramento Bee file
Criminalist, Ryan Nickel, views a prepared slide of a semen sample from a sexual assault case in a microscope at the Sacramento District Attorney's Crime Lab in 2010. Lezlie Sterling Sacramento Bee file

Democrats line up against police use of DNA

July 15, 2015 5:01 PM

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