conviction_status conviction alias conviction_penalty parents birth_date article_title name image_name
incarcerated murder x 2 mark van krevel 2 x life imprisonment without parole jean and jack van krevel -lrb- deceased -rrb- 24 april 1979 mark valera
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mark valera

mark valera -lrb- previously mark van krevel -rrb- -lrb- born 24 april 1979 -rrb- was convicted in 2000 of the gruesome murders of david o'hearn and frank arkell at wollongong , new south wales .
