tonight's service. >> reporter: erin, a million people are packed on to the beach here in copa cabbana beach. they're all here to see pope francis who is seated on the stage right behind me. a stage especially built for world youth day celebrations. it has been a busy day for the man called the people's pope. he also visited one of the shanty towns. really posing a bit of a security challenge as he kissed babies and reached out to touch some of the city's poorest. our fifth story out front. castro considers a plea deal. tonight the cleveland kidnapping suspect and his lawyers are reviewing a plea deal. if they accept it it would spare ariel castro the death penalty. it would include a deal to keep him in prison for life. he is facing an aggravated murder charge for a fetus along with hundreds of other charges of rape and kidnapping for