More info on suspect at your link:
“The suspect fled the scene and authorities are still investigating. His car is described as a powder blue or light blue Taurus with a K-State vanity plate, license number 225 BAB. He is described as a white male in his 50’s or 60’s, 6’1,” 220 lbs, wearing a white shirt and dark pants.”
Sounds like he will be in custody soon.
People who commit crimes like this frequently ‘off’ themselves before the police can catch them.