The boy stabbed his stepfather in the chest with a knife.
The teen beat the man with a log after he attempted to rape her.
During interrogation, the accused confessed to the crime and told the officers he had inherited the reptile from the grandfather.
The officers found the body lying face down with several deep cuts on the head.
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During the interrogation, the accused said his father used to harass his wife on a regular basis after he got drunk.
The images were taken at Sungei Buloh Wetland Reserve in Singapore on Saturday night.
Local police issued a warning for citizens, urging them to avoid crossing flooded rivers.
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