He was trying to "play the part":
After Baines was read his rights, he said his cousin had cut away the pages to make the hollow section in the book. Later, reports state, he said he had hollowed it out himself to hide money and marijuana from his roommates.I'm sure he had no intention of using the box cutter. None at all.
Baines told officers he was moving to Las Vegas and forgot the cutter was in the book.
Officers found books in the backpack titled "Muhammad in the Bible," "The Prophet's Prayer" and "The Noble Qur'an." He also had a copy of the Quran and the Bible.