Child's Play | [s1e10]

: While the investigation initially focuses on a young boy connected to the philanthropist through his adopted daughter, the true motivation for the murder is described as being "far darker" than a simple act of a child. Other Possible "Child's Play" Episode 10s

: Detective William Murdoch investigates the murder of Howard Rookwood, a prominent Toronto industrialist and philanthropist found dead in the horse stables of his glue factory. Key Investigation Details : [S1E10] Child's Play

: Small footprints found at the scene lead Murdoch to suspect that a child, or several children, may be responsible for the crime. : While the investigation initially focuses on a

: Season 1, Episode 10 (though some listings rank it differently) involves toys that turn children into mindless drones. : Season 1, Episode 10 (though some listings

: Season 1, Episode 9 is titled "Child's Play," serving as the lead-in to the season finale, "Original Sin".

Several other series have an episode 10 or near-10 with this title:

The title for Season 1, Episode 10 most likely refers to the Canadian mystery series Murdoch Mysteries .