One of the Good Samaritans who stopped on the side of the highway after spotting a bloodied, weeping woman testified at Richard Mantha's sexual assault trial Monday, telling the judge she found the victim on the ground, wet and freezing cold with no shoes.Mantha, 59, faces 20 charges involving seven alleged victims. He is accused of drugging and sexually assaulting women in Calgary's sex trade.The Crown's first witness, whom CBC News has identified as Avery, finished her testimony Monday afterno