A police K9 has successfully tracked down a five-year-old boy who was kidnapped by his father and threatened with death. Richard Mamales, 44, allegedly snatched his young son, Derek, following an argument with the boy's mother at his home in Tooele, Utah, on Friday night. He reportedly threatened to kill the entire family - starting with Derek - before grabbing his son's hand and disappearing for the night. Scroll down for video Heroic: This police K9, named Max, successfully tracked down 'endangered' child Derek Mamales yesterday 'Kidnapping': Richard Mamales (left), 44, allegedly snatched his five-year-old son, Derek (right), following an argument with the young boy's mother at his home in East Vine Street in Tooele, Utah, on Friday night
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Richard Mamales, 44, had argument with son Derek's mother on Friday
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He then allegedly threatened to kill five-year-old, before kidnapping him
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Police launched a search for 'endangered' child and issued amber alert
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K9, named Max, and his trainer Alan Honsaker were dispatched to help
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They tracked down pair to a shed near Mamales's home in Tooele, Utah
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Mamles has now been arrested by police, but charges remain unknown
Hunt: 'Max was able to walk into the track at that point and take me to where the suspect was hiding,' Mr @placeholder (right) said.
@placeholder (left), who was found in 'a good condition', was later taken home
Rewarded: @placeholder, who has been finding missing children in Utah for more than eight years, was later given 'a big handful of juicy treats and a lot of attention' for his efforts.