NEWARK - Dharun Ravi and his lawyer need to to decide soon whether or not he will testify in his case.

On Friday, Frank Dininno, the main investigator in the case, took the stand. Dininno was the one who questioned the students connected in the case, but the defense attorney is questioning just how well he investigated, since he did not write up a report, because he says the students had nothing to tell him.

The 20-year-old Ravi faces 15 criminal counts including invasion of privacy and charges that he tried to cover up his actions. He could face 10 years in prison if convicted of the most serious offense, bias intimidation.

Ravi's roommate Tyler Clementi committed suicide by jumping off the George Washington Bridge days after an intimate encounter in September 2010 was streamed over the Internet. Ravi isn't charged in his roommate's death.

Click here to see the hour-long police interrogation

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