1st degree murder in Puerto Rico is 99 years without the possibility of parole. 2nd degree murder is 50 years without the possibility of parole. Either murder under extenuating circumstances (mental insanity, for example), 15 years without the possibility of parole. Negligent homicide (which it seems like this is), is a minimum sentence of 3 years, no parole, except if alcohol or drug impairment was involved, in which case it is 15 years without the possibility of parole.
And I’m guessing booze/drugs is involved.