Darrow & Darrow has different offices from the one in the first three of the movie series.
Claire never calls her mother "Mom". She always calls her by her first name Joanna as per Joanna's request in she never having felt like the stereotypical mother.
Tom Cavanagh [Miles Strasberg] and Michelle Harrison [ Lt. Sarah Lang] have both starred in the series The Flash.
It's odd that gunshot residue tests- which have been around for almost a century- have not made their way to Vancouver. Either that or some really lazy writing.