SAN JOAQUIN COUNTY, Calif. – Two people killed after a box truck crashed into a tree Thursday in San Joaquin County have been identified. Authorities said around 12:40 p.m., a two-axle box truck traveling south on Interstate 5, north of Peltier Road, drifted off-road and struck a large tree, killing two Santa Clara residents: Nikko Hill, 30, and Michael Trenner, 33.