Thomas Evans knows the power of public art. The Denver muralist, who works under the name Detour, has received dozens of commissions for color-splashed paintings and building-sized murals around the country. He’s taken over streets and galleries with tributes depicting George Floyd, Breonna Taylor and Elijah McClain, who were all killed by police; covered walls in Five Points, along Interstate 70 and on Colfax Avenue; and has done portraits for David Letterman’s Netflix series, “My Next Guest Needs No Introduction.” His work is instantly recognizable, with vibrant, impressionistic swirls of purple, orange, green and red. Experimental Aviation by Patty Ortiz at Denver International Airport on Jan.