Desc: Creative Killers: Trenches: With Andrew Scarborough. In two great rivers in East Africa, contrasting neighborhoods demand different hunting strategies: Crocodiles on the Mara River live a life of luxury. Wildebeest are easy to drown in the fast-flowing deep water. While on the Grumeti River, the crocodile gang, lead by "DC", the dominant croc, has to constantly change its game to match unpredictable prey and their volatile river.