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Detroit — A second suspect was arrested Friday in connection to the murder of Detroit firefighter Jack Wiley Jr., police said. 

Police said another 18-year-old man was arrested at about 2:20 p.m. in the area of Rosa Parks Boulevard and Blaine Street.

The arrest comes a day after police arrested an 18-year-old man in connection to the murder in the area of Southfield Freeway and Ford Road, said Capt. Michael McGinnis.

McGinnis said he couldn't release the motive or if the man had a criminal record due to the integrity of the investigation. 

"I'm confident the individual we have in custody is involved and responsible for this heinous crime, and any others that may be involved, we will investigate that and catch up with them," McGinnis said Thursday. 

Wiley's sister reportedly found his body at 9:15 a.m. Tuesday inside his home in the 15000 block of Penrod on Detroit's west side. He had been shot.

More: Detroit firefighter found dead in home

Wiley recently had been reassigned to the Detroit Fire Department's Engine 57 on Burt Road and was in the process of fixing up a brick home he had moved into a few months ago.

At the time, Detroit police Chief James Craig said it was "definitely a murder."

Wiley's car, which had been stolen, was recovered a few hours after police were called to the scene, said Detroit police Sgt. Nicole Kirkwood. 

Wiley joined Detroit's Fire Department in November 2014, following in the footsteps of his father, a retired Detroit Fire Department senior chief with the same name, acquaintances and co-workers said. He was described as a dedicated firefighter who was proud of his family's legacy of public service.

A GoFundMe was started Wednesday to aid a reward for tips on the killers. 

srahal@detroitnews.com

Twitter: @SarahRahal_

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