Commonwealth v. Sosa

The defendant was indicted for murder in the second degree of Carlos Borrero, in violation of G. L. c. 265, § 1. After a jury trial, he was convicted of voluntary manslaughter. On appeal, he claims that the prosecutor’s cross-examination of *107him violated Doyle v. Ohio, 426 U.S. 610 (1976) (Doyle), that the judge erred by refusing to instruct the jury about the probative value of a witness’s testimony, and that the jury instruction on self-defense was deficient on the subject of “duty to retreat.” We affirm.

1. Background. Based on the evidence presented at trial, the jury were entitled to find…