“The grand jury convenes in four weeks,” he said.

“If you sign the formal disclosure now, your parents cannot claim you provided an alibi for Tuesday night.”

“They will say I am lying,” I said.

“They can say what they like to the press,” Harris said.

“But the prosecutor needs your sworn statement before we can issue the warrant.”

He stood up, his chair scraping against the linoleum.

“Let us go down to the notary,” he said.

The precinct lobby was bright, lit by long tubes of fluorescent light that hummed with a low, constant vibration.