Christopher Carlson, of Indianapolis, has been charged with child abuse after hiking his three grand-kids to the brink of death, because he thought they were overweight and needed 'toughening up,
He allegedly forced the boys to walk up to 20 miles a day in temperatures of up to 42C (108F) '.
If they tried to stop, Carlson would allegedly whip their shirtless backs with a wet t-shirt.
He would also hit, push, kick and even choke his three grandsons.
When one boy collapsed out of exhaustion -- Carlson pushed him to the ground and smashed his face into a rock.
He choked and lifted his youngest grandson by the throat, the report alleges.
The probable cause affidavit read: 'Carlson pushed him down onto a rock, kicked him and smacked his face down onto the rock.'
'As a result, his leg was cut, lips were bleeding and his nose was scratched … Carson told him to wipe his lips so the ranger wouldn't see the blood.'
As another form of punishment Carlson aggressively squeezed their private parts, Fox News reported.
Carlson is being held in the Coconino County Jail on six counts of causing death or serious bodily injury to children under his care.
He allegedly made the three boys, aged 8, 9 and 12, walk on ulcerated blisters and denied them food and water from sunrise to sunset.
They were forced them to run up the trail under the intense sun.
By the time of his arrest the boys had been vomiting, had cracked lips from the sun and could barely stand from exhaustion, reports allege.
A complaint filed by the U.S. Attorney's Office in Flagstaff, Arizona said rangers and passers-by noted the abuse against the boys. Read More