Liz turns off the grandfather's [spoiler](Josette's)[/spoiler] clock's tick-tocking by glaring at it!
What Burke just did to Sam is what Maggie is now doing at Collinwood, trying to force the issue, so she really can't complain... Nice moment when dressed-up Maggie pauses to take in Collinwood, which she's heard about all her life.
[spoiler]Burke, the next problem Matthew's going to "fix"! His theory is that there's a threshhold where the killings start reducing suspicions, not arousing them...[/spoiler]