The stepmother of 43-year-old Justin Kuijer, the man wanted on a Canada-wide arrest warrant for second-degree murder in the killing of seven-year-old Nathan Dumas, is pleading with him to surrender to police.

Niagara Regional Police issued a Canada-wide arrest warrant on Monday for a 43-year-old man wanted for second-degree murder in connection with the death of his seven-year-old stepson.

Niagara Regional Police Service says a 43-year-old man is wanted for first-degree murder in connection with the death of his stepson.