The man arrested in the Sunday shooting death of Stanislaus County Sheriff's Deputy Dennis Wallace made his first court appearance Tuesday.

David Machado pleaded not guilty to four criminal counts, one for murder with a special circumstance for killing a peace officer.

Machado appeared calm inside the courtroom Monday, almost unfazed by the fact that he could possibly face the death penalty.

"This case potentially makes him eligible for the death penalty,” said Deputy District Attorney John Goold. “The District Attorney will announce whether or not that will be sought at a later date.”

Meanwhile in Hughson where the incident took place, the community is showing its support by decorating the city in blue.

"Dennis was very well known, very well liked. A really great guy," said resident Randy Medeiros.

Medeiros said Deputy Wallace was the first person he met when he moved to Hughson over a decade ago. He said Wallace was well liked and respected in the city. That's why he, along with other residents, have been hanging up blue bows all over town.

"It's called respect. Not only for a fallen officer but for our friend," Medeiros said.

Local businesses are also taking part by hanging up ribbons outside shop doors.

"He was an officer of all sorts. He went out of his way for children, families and really brought the community together," said Nathan Bacon.

As the case continues residents in Hughson said they vow to keep Deputy Wallace's memory alive.