'Perry Mason': Here's What We Know About Who Killed Charlie Dodson

(Spoilers ahead for “Perry Mason” on HBO through the July 12 episode) As a series, HBO’s “Perry Mason” seems generally more concerned with character-based storytelling over the whodunit aspect of the murder of baby Charlie Dodson. But that whodunit aspect is still there, and the show is drip feeding us clues over the first four episodes. We’re halfway through this story now, and it really doesn’t seem like we’ve gotten much of a glimpse at the big picture yet. There’s just a bu...