The Hobbs Act, codified at 18 U.S.C. ยง 1951, is a United States federal law enacted in 1946 that prohibits actual or attempted robbery or extortion that affects interstate or foreign commerce, as well as conspiracies to do so. From Wikipedia
Federal charges allege Gonzalez and Lopez orchestrated a series of highway ambushes in Los Angeles County, stealing over $274,000 in cash and chips.