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KANSAS CITY, Mo. — The family of a Missouri Department of Transportation worker killed by an alleged drunk driver is getting ready for an important court date this Friday.

David Murdick, a Kansas City attorney, is expected to plead guilty to involuntary manslaughter.

Clifton Scott, a 15-year veteran with MoDOT, was putting up cones to warn drivers of an accident near I-70 and 291 Highway in September of 2012. A short time later, a car sped through the cones, hit Scott and killed him.

His family says nothing can replace him, but justice will help. Court records say Murdick was charged with involuntary manslaughter and had a blood alcohol content twice the legal limit of .08.

Clifton’s sister, Xavier Estelle, was very close with her younger brother and says the whole family continues to hurt.

“Clifton, you know, means a lot to all of us, there’s a big void in our lives without him,” Estelle explained.

She feels a major void. They used to listen to music, read and go to concerts together, but it’s the little things she misses the most.

“I miss his calls or him coming by, I miss that dearly,” said Estelle.

There’s also a void with his second family at MoDOT. Estelle said Clifton loved going to work. He loved meeting new people and helping those in need.

Clifton’s niece, Porsha Scott, said her uncle was a man of action and support and his job at MoDOT allowed him to fulfill a dream of helping people.

Estelle and the rest of the family were preparing for a trial after a very long 16 months. They know Murdick is expected to plead guilty and the sentence will be up to a judge.

“Nothing can replace him, but to feel that justice is there, that would be good.” said Estelle.