The community of Casas Adobes is also on the Northwest Side , with the distinction of being Tucson 's first suburb , established in the late 1940s . Casas Adobes is centered on the historic Casas Adobes Plaza ( built in 1948 ) . Casas Adobes is also home to Tohono Chul Park , which is now within the town of Oro Valley , ( a nature preserve ) near the intersection of North Oracle Road and West Ina Road . The attempted assassination of Representative Gabrielle Giffords , and the murders of chief judge for the U.S. District Court for Arizona , John Roll and five other people on January 8 , 2011 , occurred at the La Toscana Village in Casas Adobes . The Foothills Mall is also on the northwest side in Casas Adobes
attempted assassination
2011 Tucson shooting
Tucson, Arizona