45-year-old, Ari Gershman, a pulmonary doctor, was off-roading in a new four-wheel drive Jeep with his son Jack near Downieville when a gunman opened fire. The gunman killed Gershman, but his son escaped and called police. The fundraising page says the son hid for over 30 hours in the Tahoe National Forest before a search team found him. Deputies stated the gunman is believed to have shot two other people in the area on Friday. The two unidentified victims were taken to a local hospital with non-life threatening injuries. After the victims were taken to the hospital the sheriff's office...