According to reports, the incident occurred on Tuesday when Pravash Mondal was taken to the spot to reconstruct the crime scene.
During this, he tried to snatch a firearm from the police and flee, sources told NDTV.
Mondal is among the three accused arrested in connection with the case.
The other two accused were identified as Ananda Sardar and Dibakar Sardar.
Baruipur in West Bengal's South 24 Parganas remained tense for the past few days since the body of the minor was recovered.
According to police, the victim's body was recovered from a pond after she was reported missing.
The investigation gathered pace after the postmortem examination confirmed that the minor had been sexually assaulted before her death.
The area witnessed violent protests after locals accused police of delaying action in the case.