Browning's protest that he wasn't allowed in the room when Bostwick's Will was read doesn't make sense. As executor of Bostwick's estate, he would need to know the contents of the will.
The Hyena goes through the motions of cutting a chain or the padlock attached to it, with a bolt cutter. However, after he does it, the chain and padlock are intact.
Cordelia states that the inlay on the tombstone is " made of rose quartz. It's one of the heart chakras." While rose quartz is believed (by devotees of Indian mysticism) to be connected to the supposed heart chakra, the chakra is a point in the human body, not a mineral.