NEW BRUNSWICK - The voice of Dharun Ravi was heard for the first time today in the Rutgers webcam spying trial.

Ravi's police interrogation video was played for the jury. The interrogation was performed September 23, 2010 at the Rutgers Police Station, the day after Ravi's roommate Tyler Clementi killed himself.

The jury will be back Thursday morning, when the prosecution is expected to wrap up its case.

Prosecutors are focusing on Ravi's alleged cover-up efforts. A detective testified earlier today that Ravi sent out a pair of Twitter messages on Sept. 22, 2010.

One said his roommate had asked for the room again and said, "Don't you dare videochat me from 9 to 12." That was followed by a message reading: "Ignore that last tweet. Stupid drafts."

The tweets came soon after Clementi committed suicide. Prosecutors claim that Ravi deleted an earlier message "daring" followers to chat with him and replaced it with the others to try to avoid being implicated.

Ravi faces 15 criminal counts, including bias intimidation and invasion of privacy.

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