Commonwealth v. Taliaferro

*153CERCONE, President Judge:

The instant appeal arises from appellant’s conviction of possession of a controlled substance, namely, heroin.1 Appellant, who at the time of the commission of the offense was an inmate at The State Correctional Institution at Graterford, Pennsylvania, raises one question which we find worthy of discussion in this opinion: Whether the trial court erred in refusing to grant a mistrial when the assistant district attorney, during summation to the jury, characterized the testimony of a witness for appellant as a “lie.”2 The relevant facts are as follows:

While appellant…