What is the most important factor, among the others, in the recent wave of falling crime rates? – Google Search https://www.google.com/search?q=What+is+the+most+important+factor%2C+among+the+others%2C+in+the+recent+wave+of+falling+crime+rates%3F&num=10&newwindow=1&rlz=1C1ONGR_enUS1133US1133&sca_esv=56156ec590014018&aep=1&cs=0&hl=en-US&biw=1536&bih=695&sxsrf=ANbL-n4aIP-fcMAnv9HAVRWCGNICVCN3Fg%3A1776689057022&ei=oR_mabyDAY2cptQP8Kil-Ao&ved=0ahUKEwj81_rAuvyTAxUNjokEHXBUCa8Q4dUDCBE&oq=What+is+the+most+important+factor%2C+among+the+others%2C+in+the+recent+wave+of+falling+crime+rates%3F&gs_lp=Egxnd3Mtd2l6LXNlcnAiX1doYXQgaXMgdGhlIG1vc3QgaW1wb3J0YW50IGZhY3RvciwgYW1vbmcgdGhlIG90aGVycywgaW4gdGhlIHJlY2