Killing of F.B.I. Agents Comes Amid Explosion of Child Sex Abuse Reports. Child Pornography, Child Abuse and Neglect, Sex Crimes, Federal Bureau of Investigation, Alfin, Daniel (d 2021), Schwartzenberger, Laura (d 2021), Florida, Sunrise (Fla), Attacks on Police, Murders, Attempted Murders and Homicides, Huber, David L (d 2021)