This is The Guardian.

On the evening, Clifton Lewis showed up for his shift at the M&M mini-mark on Chicago's west side.

He worked days as an officer in the Chicago Police Department,

but was moonlighting as a security guard to pick up a little extra cash.

He was chit-chatting behind the counter with the store owner

and a clerk around 8.30 p.m.

When two men walked into the M&M.

They shot Lewis several times, then took off with his gun and police start.

Seconds after the gunmen left, a bystander called 911.

Lewis was rushed to the hospital.

More than 200 police officers gathered in the parking lot of Stroser Hospital where Lewis was pronounced dead.

He had been on the force for eight years, a black officer who lived in the neighborhood he served,

and he'd gotten engaged four days earlier on Christmas morning.

Police launched a massive manhunt for Lewis's killer.

The brass ordered that police were only this case until it was solved.

Tips poured in, and many pointed to the four-corner hustlers,

the gang that controlled the area around the mini-mart.

A week later, police had their suspects, but they weren't hustlers.

They were four men affiliated with the gang called the Spanish Cobra's.

For hours, under intense police questioning, they said they didn't do it.

But that didn't seem to matter.

The Chicago Police Department decided these were the guys responsible for the brutal

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