By Megan Wiebold

When it comes to major investigations, like the Colorado shooting, it's up to law enforcement to piece together the details of what happened. Some police departments, like the Eau Claire, Wis., Police Department, have specialized units whose job it is to investigate major crimes like shootings, homicides, or fatal accidents. And they need to train on those types of investigations, so when something major happens, they're ready to go.

"Unfortunately in, take for example, a homicide case, there's only a few people who really know what happened. That's going to be the person that committed the crime, and the victim. Obviously the victim isn't able to tell us what happened in a situation like that, and a lot of times the suspect isn't going to tell us," says Officer Kyle Roder.

That's where the Eau Claire Police Department's crime scene unit and crash reconstruction team come into play.

Read more.

Source: WQOW