crime. homicides nationwide surged nearly 30% in 2020, and while some cities saw homicides drop back down last year, at least 15 cities broke their all-time records in 2021, including milwaukee, austin, tucson, and philadelphia, which had its highest murder total in over 30 years. in new york mayor eric adams was elected on a promise to fight crime. we will not surrender our city to the violent few. reporter: now battling a threat against the crime fighters he is relying on officer rivera s funeral will be held here at st. patrick s cathedral on friday. his partner, officer mora, is in an icu tonight fighting for his life lester stephanie gosk, thank you. as part of that surge in violent crime, many american cities are seeing a dramatic rise in carjackings. gabe gutierrez has more on that reporter: this nypd body camera video from earlier this month shows a brazen