jr. >> walter wallace jr. was having a mental health crisis and needed help. someone called 911. the police showed up, saw walter had a knife and they decided the best way to deescalate the situation was to shoot walter 14 times, killing him right in front of his mother. following the killing of walter wallace jr., protests calling for justice erupted all across west philly. the city was put on curfew and ann smith's prediction on philly became more real as we watched the same power structures act out in realtime. >> philadelphia child, wild, mild, mind all filled with city. fresh city, foul city, fiery city, frigid city. philadelphia child, mild, wild, wild flower, water, child power, growing from cracks and cement sidewalks and schoolyards and playgrounds. singular and lovely. common and ugly. we are here. we are here. we are. >> we had planned to talk with philadelphia poet and activist ursela rutger, but walter wallace jr. was on our mind. >> i know this can happen anywhere. i'm trying to keep my composure

we have new details about the moment that led to the philadelphia police shooting and killing walter wallaceuation was to shoot walter, 14 times. killing him right in front of his mother. following the killing of walter wallace jr., protests calling for justice erupted all over philly, and the city was put on curfew, and then we watched the same power structures act out in real time. >> philadelphia child, wild, mild, mind all filled with city, fresh city, foul city, frigid city. philadelphia child, mild, wild, wild flower watered with child power, growing from cracks and cement sidewalks and school yards and playgrounds, singular and common and ugly. we are here. we are here. we are. >> we had planned to talk with philadelphia poet about her bringing up as a half italian and half black woman. >> i know this can happen anywhere and i am trying to keep my composure and i don't know if i can. it's just seems so surreal to me that a black man was murdered in my city by the police in front of his mother. then when you talk about that percentage and philly being majority black, but so many young

walter wallace, jr., did not. last octub october when his family attorney says his brother called 9-1-1. >> they were sent into a situation ill-prepared. they didn't have the training or the tools to do the job effectively. >> reporter: philadelphia police, who say wallace was armed with a knife, shot and killed him. [gunfire] [yelling] >> the only justice that come out of this is full reform. >> reporter: that push for reform prompts comparisons to countries from these deadly encounters are far less common. how different is policing in america from europe? >> oh, it is like night and day. >> reporter: lawrence sherman is a professor of criminalology at the university of cambridge. >> if somebody doesn't drop a knife, when the police order him to, they can shoot and kill him. it would be murder in europe. i would say that the law in the united states goes to extraordinary lengths to justify police's preemptive use of shooting. >> reporter: he notes that while u.s. police are quicker to use deadly force, more guns