Netflix is the best streaming service for docuseries and true crime with hits like 'Tiger King.' Here's how its rivals stack up.

· Netflix had 383 docuseries as of June 1, according to catalog data from the streaming search engine Reelgood.
· Amazon Prime Video wasn't far behind with 355 docuseries.
· Netflix's docuseries boom began with the 2015 true-crime hit "Making a Murderer" and continued this year with "Tiger King," which Netflix said was...