Candidates in Philadelphia's mayoral race have differing approaches when it comes to the city's crime problem

The crime issue in Philadelphia is a big factor in this year's mayoral election. The candidates have different approaches to how they plan to fix the issue.

They're talking not only about gun violence — 473 people were fatally shot and 1,789 were wounded by gunfire last year, according to city statistics — but also about how they would address other public health and safety detriments, including darkened streetlights and issues with trash pickup.

"A two-year spike in crime leaves deep scars on cities and we’re seeing that in this election cycle," said John Roman, director of the nonpartisan Center on Public Safety and Justice, part of the NORC social research organization at the University of Chicago. Roman also serves on the Crime Trends Working Group at the Council on Criminal Justice, a nonpartisan group that develops policy suggestions for tackling crime.