nbc 7 investigates January 4, 2022 6:36 pm Arson Cases Across San Diego Skyrocket During Pandemic As police chase down a serial arsonist in Mira Mesa, NBC 7 Investigates’ Alexis Rivas looked into how many arson attacks occur across all of San Diego each year. US & World Videos 2:39 Police clear out pro-Palestinian encampment at UC San Diego; dozens arrested 2:32 How water pollution is changing how Imperial Beach lifeguards protect people 2:44 San Diego proposed budget eliminates gang violence prevention program 3:32 California, San Diego set all-time records for travel spending in 2023 2:56 Pro-Palestinian protesters move to downtown jail