A court can use offenses committed as a juvenile, but charged and convicted as an adult, when it considers habitual criminal sentencing, especially if the offender’s past convictions are similar to the crime currently being considered for sentencing.
Fabbi, Joseph K., "Mullner v. State, 133 Nev. Adv. Op. 98 (Dec. 7, 2017)" (2017). Nevada Supreme Court Summaries. 1104.