Action News was there as the officer was escorted out of Temple University Hospital. The officer has not yet been identified by the department.
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The shooting happened on January 26 inside Jennifer Tavern on the corner of N. Mascher and W. Cambria streets in North Philadelphia.
Officer injured in shooting at corner store released from hospital
Police say the 24th district officers entered the business around 8:46 p.m. and approached a group of males.
While attempting to stop one of them, police say the suspect, later identified as 28-year-old Alexander Spencer, scuffled with police and then fired one shot, which hit the officer in the leg.
The officer's partner then returned fire, striking Spencer who later died at Temple University Hospital.
Police officer shot inside corner store in North Philadelphia; suspect dead
Video of shooting raises questions
Those who were on the scene are questioning why police initially went into the grocery store.
In video posted on social media and now under investigation by the department shows a portion of the incident.
Action News is showing the beginning of the video captured by a witness who started recording after police were already in a struggle with Spencer on the ground. It has also been blurred.
New video raises questions about what led to deadly police shooting
Officers say that's when Spencer allegedly shot one officer in the leg and the officer's partner returned fire.
However, by watching the video, it's unclear who fired shots first.
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You can hear the witness questioning police and then an officer calling for help.
"I need someone right now. My partner is shot," one of the officers is heard saying to his radio.
Investigators have not said why they tried to stop Spencer or what led to it.
But friends of Spencer explained to Action News what they saw.
"They frisked like three people that day right there. They came in there and was like, 'Any guns?' They said, 'No.' They made them lift up their jackets. "S" didn't argue because he wasn't the arguing type. He was real quiet," recalled the friend.
Action News reached out to Philadelphia police to see if they could confirm whether officers stopped and frisked Spencer and others. We did not get an answer, but we're told police will hold a news conference Tuesday morning to provide an update on the incident.
Gun theft after shooting
Police are also still searching for 42-year-old Jose Quinones-Mendez, the man who allegedly stole the suspect's gun after the shooting.
The gun theft was also not captured on the social media video recorded by the witness.
Quinones-Mendez is facing several charges, including obstruction of justice and tampering with evidence. He is considered armed and dangerous, according to police.
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The FOP is offering a $10,000 reward for any information that leads to Quinones-Mendez's arrest.
"Our reward is payable immediately, if the tip information leads to the whereabouts of this individual," said FOP Lodge #5 President Roosevelt Poplar.
SEE ALSO: $10K reward offered after man allegedly takes gun from scene of deadly Philadelphia police shooting
Philadelphia police identify man sought for taking gun from scene of officer shooting
Quinones-Mendez is described as being 5'8" tall and approximately 160 lbs.
Spencer's friends have since created a memorial in his honor outside of the store where they say he often went to play the slot machines.
"I just feel like I just want to know what really happened. What did he do? Y'all could've just arrested him. Y'all could've just done way better," said one of Spencer's friends who did not want to be identified.
The wounded officer has been on the force for nine years and the officer who fired the shot has been on the force for five years.
Anyone with information on Quinones-Mendez's whereabouts is being asked to call the Philadelphia police homicide unit at 215-686-3334 or 911.
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The Associated Press contributed to this post.