it in his mouth," Tenaglia, 65, of Oakland Township, said.

"His mouth?" Assistant U.S. Attorney Mark Chutkow asked.

"Yes," Tenaglia said. "He ate it."

"How much?" Chutkow asked.

"A quarter of it," Tenaglia said.

The testimony was part of the government's multimedia case against Warner, 52, of Commerce Township that included text messages, secretly recorded phone conversations and undercover video. He is facing 10 charges, including counts related to bribery, theft and money laundering conspiracies, and obstruction of justice, a charge that carries a possible 20-year prison sentence.

The cocktail napkin and the amount Warner ate was debated during cross examination by the indicted airport manager's lawyer, Robert Harrison. He attacked Tenaglia as a liar and a convicted cheat who bilked the airport for $1.5 million and testified to reduce his own prison sentence.

Tenaglialawyer said.

"It is very unlikely anyone could take a whole bar napkin, put it in their mouth and swallow it," the lawyer said.

"I agree," Tenaglia said.

Tenaglia pleaded guilty last year to wire fraud conspiracy and could be sentenced in August to almost three years in federal prison. He received immunity for paying bribes and could get a reduced sentence after cooperating with the government.

The trial continues Monday in federal court.

Tenaglia was part of a broader scheme Warner is accused of orchestrating at the airport and while later working for West Bloomfield Township.

The largest alleged airport scheme involved Romulus businessman William Pritula, 70, whose company William Pritula & Sons held facilities and maintenance contracts, prosecutors said.

Warner drafted and submitted inflated invoices for work Pritula was hired to perform at