
This episode of 48 Hours covers the murder of Yancy Null, who was shot in his car in Seattle in 2012, and the subsequent investigation that led to the arrest of D. Bowman.
Yancy Null was shot multiple times while stopped at a red light, with witnesses describing the shooter as driving a silver BMW. Investigators, including detectives Frank Clark and Dana Duffy, worked tirelessly to identify the suspect, leading to a sketch based on witness descriptions.
After weeks of investigation, D. Bowman, an engineer with no prior criminal history, was arrested. Evidence included a broken passenger window on his BMW and a series of internet searches related to murder techniques found on his computer.
During the trial, prosecutors argued that Bowman killed Null for the thrill of it, while his defense claimed it was an act of self-defense. Ultimately, Bowman was found guilty of first-degree murder and sentenced to 29 years.
The episode also touches on the impact of the murder on Yancy's friends and family, highlighting the randomness of violence and the lasting effects on the community.
Yancy Null was murdered in a road rage incident; D. Bowman was arrested and convicted for the crime.

This episode stands out for the following:
Bowman has to wait 2 hours for detectives to arrive.Criminal Blunders | "48 Hours" Full Episodes
It's good to be here but it's um, it's really difficult.Criminal Blunders | "48 Hours" Full Episodes
I was just afraid that he was going to hear my voice.Criminal Blunders | "48 Hours" Full Episodes
I actually was scared to go to sleep. I had nightmares.Criminal Blunders | "48 Hours" Full Episodes
This is like the morning light in a very dark night.Criminal Blunders | "48 Hours" Full Episodes
I remain nonplused that the jury believed the prosecution's fairy tale.Criminal Blunders | "48 Hours" Full Episodes