 Experts say the animals can disrupt and displace other mammals, and they have also attacked and scared people and hurt crops. Conservationists are now running a program to sterilize hippos in the wild. So far, they have castrated seven. Experts say 33 more are needed to control the population. Coming up, the involuntary manslaughter trial for Alec Baldwin is now underway. What was said during witness testimony nearly three years after the fatal shooting on set. Your streaming daily report.