Brian Haight, crane program manager for Washington state's Department of Labor and Industries, uses a model of a crane during a news conference Thursday, Oct. 17, 2019, in Tukwila, Wash., to explain the collapse of a crane earlier in the year in Seattle that killed four. Washington State's L&I released the results of its investigation on the collapse Thursday. It found, as experts have long suspected, that the crane toppled because workers who were disassembling it had prematurely removed pins securing the sections of the crane's mast. (AP Photo/Elaine Thompson)
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