The phrase "murder conviction" means that someone has been found guilty of committing the crime of intentionally and unlawfully killing another person. Full definition
A prosecutor who wants a first degree murder conviction might charge with first degree murder only, hoping that the jury will agree with the charge rather than letting a proven killer go free. (law.stackexchange.com)
The story revolves around a single working mother spends nearly two decades putting herself through law school and tirelessly trying to overturn her brother's unjust murder conviction. (teaser-trailer.com)
The appeal court agreed, substituting the trial decision with a second - degree murder conviction. (canadianlawyermag.com)