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MEMPHIS, Tenn. —  Hundreds showed up at Walnut Grove and I-240 to watch the Sea of Blue pass by.

They wanted to be there to see the night sky light up blue in honor of Officer Sean Bolton.

“Thank you! This is so neat that Memphis is doing this,” said Donna Gilluly of Memphis.

Gilluly was overwhelmed with gratitude as she watched the Sea of Blue lights pass down Walnut Grove.

She’s one of the hundreds who brought lawn chairs, flags and signs to show their support for officers and a fallen hero, Officer Sean Bolton.

“I just had to come show my support. I’ve got several friends on the police department and I just wanted to be out here for them,” said John Anthony.

David Foster felt he had to be there and bring his 6-year-old son, Joshua with him.

“It’s a lot of things going on in the city and the nation so we wanted to just bring him out so he could really appreciate those who protect and serve us,” Foster said.

This was tradition for officers killed in the line of duty.

Blue lights lighting up the night sky as far as the eye can see.

It’s a reminder to one wife in attendance of the dangers her Police Officer husband faces daily.

“It’s very scary. You kind of suppress all the fear that you have until something like this happens,” said Lou Harber.

Few in the crowd ever met Officer Bolton but tonight they felt the spirit of his commitment because there’s a thin blue line between the good guys and the bad ones.

A retired Police Major waving a blue line flag knew that.

“Over the course of my 31 years we lost 18. We lost 8 in two years during the middle of that. It’s never any easier,” said Ret. Major Pat Lovett with Memphis Police.

The Police Officers appreciated all of the support from citizens tonight.

One of the Officers got on his bullhorn and said ‘thank you guys’ and the crowd erupted in applause.