agt: all-stars, america's got talent, america’s got talent: all-stars, benjamin levy aguilar, chicago p.d., episodic, evergreen, hamza haq, heidi klum, howie mandel, interview or reporting, jason beghe, marina squerciati, nbc insider blog post, niall horan, one chicago, patrick john flueger, simon cowell, the voice, transplant, news, laroyce hawkins, tracy spiridakos