Philadelphia victim's family sought ambulance, not police Protesters confront police during a march, Tuesday Oct. 27, 2020, in Philadelphia. Hundreds of demonstrators marched in West Philadelphia over the death of Walter Wallace, a Black man who was killed by police in Philadelphia on Monday. Police shot and killed the 27-year-old on a Philadelphia street after yelling at him to drop his knife. (AP Photo/Matt Slocum)
A protester points while facing police during a demonstration Tuesday night, Oct. 27, 2020, in Philadelphia. Hundreds of demonstrators marched in West Philadelphia over the death of Walter Wallace Jr., a Black man who was killed by police in Philadelphia on Monday. (AP Photo/Michael Perez)
A man stands holds merchandise outside of a damaged store after protest, Tuesday, Oct. 27, 2020, in Philadelphia over the death of Walter Wallace, a Black man who was killed by police in Philadelphia. Police shot and killed the 27-year-old on a Philadelphia street after yelling at him to drop his knife, sparking violent protests that police said injured 30 officers and led to dozens of arrests. (AP Photo/Michael Perez)
Protesters confront police during a march, Tuesday Oct. 27, 2020, in Philadelphia. Hundreds of demonstrators marched in West Philadelphia over the death of Walter Wallace, a Black man who was killed by police in Philadelphia on Monday. Police shot and killed the 27-year-old on a Philadelphia street after yelling at him to drop his knife. (AP Photo/Matt Slocum)
A Philadelphia police officer is covered with an unidentified red substance during a confrontation with protesters, Tuesday, Oct. 27, 2020, in Philadelphia. Hundreds of demonstrators marched in West Philadelphia over the death of Walter Wallace Jr., a Black man who was killed by police in Philadelphia on Monday. (AP Photo/Michael Perez)
Protesters confront police during a march, Tuesday Oct. 27, 2020, in Philadelphia. Hundreds of demonstrators marched in West Philadelphia over the death of Walter Wallace, a Black man who was killed by police in Philadelphia on Monday. Police shot and killed the 27-year-old on a Philadelphia street after yelling at him to drop his knife. (AP Photo/Matt Slocum)
Protesters confront police during a march Tuesday, Oct. 27, 2020, in Philadelphia. Hundreds of demonstrators marched in West Philadelphia over the death of Walter Wallace, a Black man who was killed by police in Philadelphia on Monday. Police shot and killed the 27-year-old on a Philadelphia street after yelling at him to drop his knife. (AP Photo/Matt Slocum)
A demonstrator raises a fist near Philadelphia police in Philadelphia, late Tuesday, Oct. 27, 2020. Hundreds of demonstrators marched in West Philadelphia over the death of Walter Wallace Jr., a Black man who was killed by police in Philadelphia on Monday. Police shot and killed the 27-year-old on a Philadelphia street after yelling at him to drop his knife. (AP Photo/Matt Slocum)
A woman cleans up debris at a Walmart, Wednesday, Oct. 28, 2020, that was damaged in protests in Philadelphia. Demonstrators protested the death of Walter Wallace Jr., who was fatally shot by police Monday after authorities say he ignored orders to drop a knife. Some businesses were cleaning up damage after video showed people streaming into stores and stealing goods on the opposite side of the city from where Wallace was shot. (AP Photo/Michael Perez)
Two workers board up a store front, Wednesday, Oct. 28, 2020, in Philadelphia. Demonstrators protested the death of Walter Wallace Jr., who was fatally shot by police Monday after authorities say he ignored orders to drop a knife. Some businesses were cleaning up damage after video showed people streaming into stores and stealing goods on the opposite side of the city from where Wallace was shot. (AP Photo/Michael Perez)
Items litter the ground Wednesday, Oct. 28, 2020, inside a Walmart in Philadelphia that was damaged in last night's protests. Demonstrators protested the death of Walter Wallace Jr., who was fatally shot by police Monday after authorities say he ignored orders to drop a knife. Some businesses were cleaning up damage after video showed people streaming into stores and stealing goods on the opposite side of the city from where Wallace was shot. (AP Photo/Michael Perez)
Protesters confront police during a march, Tuesday, Oct. 27, 2020, in Philadelphia. Hundreds of demonstrators marched in West Philadelphia over the death of Walter Wallace, a Black man who was killed by police in Philadelphia on Monday. Police shot and killed the 27-year-old on a Philadelphia street after yelling at him to drop his knife. (AP Photo/Matt Slocum)
Philadelphia police officers form a line during a demonstration in Philadelphia, late Tuesday, Oct. 27, 2020. Hundreds of demonstrators marched in West Philadelphia over the death of Walter Wallace Jr., a Black man who was killed by police in Philadelphia on Monday. Police shot and killed the 27-year-old on a Philadelphia street after yelling at him to drop his knife. (AP Photo/Matt Slocum)
Protesters confront police during a march Tuesday Oct. 27, 2020 in Philadelphia. Hundreds of demonstrators marched in West Philadelphia over the death of Walter Wallace, a Black man who was killed by police in Philadelphia on Monday. Police shot and killed the 27-year-old on a Philadelphia street after yelling at him to drop his knife. (AP Photo/Matt Slocum)
A Philadelphia police officer is silhouetted behind a shield during a demonstration in Philadelphia, Tuesday, Oct. 27, 2020. Hundreds of demonstrators marched in West Philadelphia over the death of Walter Wallace Jr., a Black man who was killed by police in Philadelphia on Monday. Police shot and killed the 27-year-old on a Philadelphia street after yelling at him to drop his knife. (AP Photo/Matt Slocum)
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Protesters confront police during a march, Tuesday Oct. 27, 2020, in Philadelphia. Hundreds of demonstrators marched in West Philadelphia over the death of Walter Wallace, a Black man who was killed by police in Philadelphia on Monday. Police shot and killed the 27-year-old on a Philadelphia street after yelling at him to drop his knife. (AP Photo/Matt Slocum)