Review the 'Note with Drawings (From "H")' and the "Hey everyone" Note (from Part 1).

Hannah wrote the 'Note with Drawings ' to Mason. In the note, she thanks Mason for "switching" with her because she "hates seeing his face."

Who is Hannah talking about? Which shift did she switch with Mason?

Review the Staff Schedule carefully.

Hannah switched her last shift with Mason. Hannah was scheduled to work with Calvin (who broke up with her the day before her birthday, so she "hates seeing his face") during this shift.

Review the Control Room Log and read the "Notes" column carefully.

The last note in the Control Room Log mentions fresh muddy shoeprints in the room. There are two sets of entries/exits before the last note. The second last entry/exit is the cleaning staff, who mopped the room. The last entry/exit is a regular staff who opened the shift door and left—this is the killer.

Who could have left muddy shoeprints? If you're not sure which enclosures are muddy, check the Animal Fact Sheet.

Hannah can be eliminated because she didn't leave muddy shoeprints in the tiger control room like the killer did.

Hannah was only scheduled to work in one wet/muddy enclosure on the 15th—the Alligator enclosure with Calvin at the end of the day. But Hannah switched shifts with Mason (see the "Note With Drawings") who was scheduled to work in the gift shop at this time. Hannah didn't work in any muddy areas on the 15th, so she didn't leave the muddy shoeprints the killer left in the tiger control room (see the Control Room log).