Authorities have identified two more people killed in crashes in Lake County in the last week. The 90-year-old pedestrian who was struck and killed by a big rig on Highway 29 has been identified as Kenneth John Beech of Kelseyville. Also, one of the two men killed in a head-on crash on Highway 20 has been identified as Evaristo Hernandez of Ukiah, who was a passenger in a truck driven by someone under the influence. The driver of the other vehicle in the crash, who was also killed has not been identified.