Point Interstate 75 News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> he is passing people on the shoulder. he is tailgating somebody didn't get over quick enough for them so he went on the left emergency shoulder and passed this vehicle. at this point interstate 75 is four lanes long. i turn on my video of my cell phone which is easy to do and try to get his license plate number but he doesn't like that and almost comes to a complete 1207 stop in the left-hand lane on i-75. at that point i know he a little bit crazy. >> reporter: this is presicisel where david was on the intant. he was afraid police would not make out what woo on the rear plate so he saw the...

Aremsed the gunman. he was a medical doctor with a checkered history. gary tuchman reports. >> here i had the camera out the window. >> reporter: david coaler was driving on interstate 75 just south of lexington, kentucky when he shot this video on his phone. it was all most the last thing he ever did. keep an eye on the black lincoln with the bicycle attached in the left lane. david coaler rolled the video after the man behind the wheel started driving recklessly in the emergency lane. this is the first time the video has been publicly seen. >> he's passing people on the left emergency should...