Cash puts down whatever tent pieces he was holding and rubs the heel of his palm into his eye. Yes, he saw him. That should be enough. He trusted his own perception, and he's sure it was Calvin. But. "It isn't consistent. I saw him. The sophomores didn't. He doesn't fit their description."

There's a small pause; this next bit is soft evidence and maybe not relevant, but. "And it's out of character." He just can't imagine Calvin dressing up as a murderer to scare students, even if he knew the blame would fall to Sy. There were other, better methods of revenge — and perhaps it spoke to Cash's respect for Calvin that he believed the Ribbonfin would chose something with a little more... subtlety.