A sheriff's office in Indiana is honoring officers across the country who were killed in the line of duty with a special Christmas tree.

The tree standing in the Boone County Sheriff’s Office features blue ornaments that represent each of the 137 officers who have fallen this year.

Sheriff Mike Nielsen said Saturday on "Fox & Friends" that a motivating factor behind the display was losing one of his officers, Jacob Pickett, in March.

The Indianapolis Star reported that Pickett, a sheriff's deputy, was fatally shot as he was helping fellow officers catch someone on the run.

"Jake was a leader of our K-9 team, he's a warrior, he will be forever missed for his infectious smile and his laugh," Nielsen said. "But most of all we'll never forget his dedication for protecting the citizens of this county."

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According to Fox 59, each of the ornaments is hand-written, and features each fallen officer's name, rank and end-of-watch date.

"The goal here is to make sure that we pay the ultimate tribute to these officers that have given their lives to hold that thin blue line," Nielsen said.

He added that once the tree is taken down, his office will be sending the ornaments out to each of the officers' departments.

"We do this because we're there to protect others and that is so important to us," Nielsen said.

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