You rifle through Kiera's pockets, making sure Silv isnt watching, but all she has on her is her phone. You can't unlock it, but there's some notifications from Grizzco's Security Alerts that you can read.

botlog 12:01am: Front door opened.
botlog 12:29am: Front door opened.
botlog 1:03am: Front door opened.
botlog 1:32am: Front door opened.
botlog 2:25am: Back door opened.
botlog 2:37am: Back door opened.

Go to the security room. Maybe you can check out the footage.
Go to the kitchen to find Ben.