Commonwealth v. Bettencourt

The defendant points to three evidentiary rulings of the trial judge which he claims were erroneous, any one of which, he says, was sufficiently prejudicial to require reversal. We have reviewed the rulings and the context in which they were made, and we perceive no prejudicial error.

1. Polygraph. Four days after the incident, the defendant went voluntarily to the New Bedford police station to answer questions. Over the course of *924the six hours of interrogation he gave three mutually inconsistent accounts of his whereabouts and activities around the time of the incident. At some point during…