Rhea County Sheriff Department Detective Rocky Potter testified Wednesday afternoon.
said the couple told him they would make the boy drink dishwashing liquid and eat cigarette butts - all as a punishment for not going to bed at night.
said the couple also admitted to often whipping Landon.
"I saw numerous bruises across [the boy's] forehead and scalp, two black eyes, and a small scratch on his
lower chin," said Potter
Deputies found the boy dead inside a camper on Cawood Road on August 30th.
mother told investigators that he
fell while playing on a swing set.
During cross-examination, the defense questioned how Potter
can prove that the bite marks are from the couple.
They also want to know why Potter
has never asked if the couple's testimony matches up with what the couple told the Department of Children Services.