Opening statements in STEM School shooting trial bring opposing views as to Erickson's involvement Defense argues he was manipulated; prosecutors say he was willing participant (Copyright 2021 The Associated Press. All rights reserved. This material may not be published, broadcast, rewritten or redistributed.) David Zalubowski/AP A light snow covers bouquets of flowers placed on the sign for STEM School Highlands Ranch following Tuesday's shooting, in Highlands Ranch, Colo., Thursday, May 9, 2019. (AP Photo/David Zalubowski) and last updated 2021-05-27 21:57:45-04 DENVER â In opening s...