HUDSON, Wis. — Investigators say video from July 2022 shows Nicolae Miu being pushed and hit by a group of tubers on the river before he stabbed five people, killing 17-year-old Isaac Schuman. The victims ranged in age from 17 to 24 and were from Wisconsin and Minnesota. The trial for a 54-year-old Prior Lake man accused of killing a teen and stabbing four others on the Apple River in Wisconsin nearly two years ago began on Monday. Witnesses said Miu was initially in the river with goggles and a snorkel. A group of tubers accused of him of looking...