Cleveland (CNN) On the Republican National Convention's second night, two of his children Donald Trump Jr. and Tiffany Trump brought the crowd to its feet, revealing personal details and anecdotes.

"Impossible is just a starting point," Trump Jr. said of his father's determination. "You want to know what kind of president he'll be? Let me tell you how he ran his businesses, and I know because I was there with him by his side on job sites, in conference rooms from the time I could walk."

New Jersey Gov. Chris Christie, meanwhile, prosecuted the Republican case against presumptive Democratic nominee Hillary Clinton.

Christie whipped the crowd into a frenzy as they chanted "lock her up, lock her up."

"Is she guilty or not guilty?" Christie asked after every charge he laid before the crowd.

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