Week in Review: Navy Pier tragedy • Billion-dollar lottery winners • PPP loans used to bond out of jail

Cook County prosecutors say a woman pushed her 3-year-old nephew into Lake Michigan off Navy Pier and then pretended she didn't know the child, two people have come forward to claim a billion-dollar Mega Millions jackpot, and police in suburban Chicago have arrested 15 people for allegedly using PPP loans to bond out of jail: Here are the top stories from FOX 32's Week in Review.