Tracker has experienced some significant behind-the-scenes changes — but how will those changes impact season 4? “It is different,” executive producer Elwood Reid exclusively told Us of the series’ upcoming season, adding that the shakeup is “really refreshing.” “I have not shot a show in L.A. in 12 or 13 years,” he said. “What I think is really exciting about it — at least for my purposes — is you forget how good the level of craftspeople are out here. And for them, when you’re going into season 4 of a show, it’s all new for them.” He continued, “Canada was amazing. We mad...