Police say Bay Area father shot and killed 4, including wife, 6-year-old son and parents-in-law KABC-TVAlameda father shoots and kills 4 family members, including 6-year-old son, police say KGO-TVHusband accused of killing wife, child, in-laws in Alameda shooting identified KRON4California man kills wife, child, in-laws in home shooting; other son, 1, in critical condition, police say Fox News