sentences:  Additionally, Tobar contributed to the newspaper's Pulitzer Prize-winning coverage of the Los Angeles riots of 1992.He is a graduate of the University of California, Santa Cruz and the MFA program in Creative Writing at the University of California, Irvine.Tobar is the author of "The Tattooed Soldier," a novel set in the impoverished immigrant neighborhoods of Los Angeles in the weeks before the riots, and in Guatemala during the years of military dictatorship there.