Tetsuya Yamagami allegedly shot and killed Shinzo Abe in early July but underwent a months-long mental evaluation that prosecutors say showed he's fit to stand trial.
As Kamala Harris joined other dignitaries to mourn the former leader, outside, a lot of attention was being paid to a global church and its role in politics.
Current leader says he's urged police "to carry out a thorough inspection and fix what needs to be fixed" after brazen murder of former premiere at campaign event.