Conversation so far:
Did Claudius assassinate Caligula?
On 24 January 41, Caligula was assassinated in a broad-based conspiracy involving the Praetorian commander Cassius Chaerea and several senators.
How was Claudius involved in the assassination of Caligula?
There is no evidence that Claudius had a direct hand in the assassination, although it has been argued that he knew about the plot

Question: What happened after the murder?
Self-contained rewrite: What happened with Claudius after the murder of Caligula?