2012 Year In Review: Top Crime Headlines

(CBS) -  Crimesider takes a look back at some of the biggest crime stories of 2012, from the Trayvon Martin case, which sparked a dialogue about race and gun laws, to mass shootings in a Colorado movie theater, a Wisconsin temple, and a Connecticut elementary school.

Pictures: 2012 Year In Review: Top Crime Headlines

The year ended with President Obama creating a task force to study gun violence, and cases like the prosecution of former Ruttgers student Dharun Ravi for spying on his roommate Tyler Clementi, raised issues of privacy, teen suicide, and the harassment faced by gay students.