GERMANTOWN, Wis. — It was a stench of decay that caused authorities to search an apartment in suburban Milwaukee. They found a home crawling with life: About 200 creatures — including alligators, scorpions and carnivorous beetles — formed a bizarre menagerie kept alive by a woman who fed them roadkill. "The smell was just unbelievable," said William Mitchell, a state conservation warden who found about 70 ducks cramped in a basement pen with droppings covering the floor. "It was really stinking. ... It made my eyes water." Neighbors had complained about the foul smell. Animal carcasses were in a freezer...