Photo: Luis Manuel
Security footage shows how the furious father lunged at the man with a knife and stabbed him in the chest before launching a flurry of kicks punches as the man lay on the ground
The shocking incident took place in the city of Leon in the central Mexican state of Guanajuato on 1st September.
The father, identified as Luis Manuel, 40, is seen wearing a black shirt in the CCTV footage while casually resting on a parked car
The alleged rapist, identified as David Enrique, talks to a couple before then walking towards the suspect before he is pounced upon.
Reports suggest the suspect had believed his daughter had been raped by Enrique.
Security footage shows how the furious father lunged at the man with a knife and appeared to stab him in the chest.
The victim falls backwards and is attacked while lying the ground before being pulled away by onlookers.
Enrique suffered deep stab wounds and was taken to a nearby hospital where he died the next day.
Manuel was detained by officers on duty outside the city’s public prosecutor’s office where the incident took place.
State prosecutors confirmed that Manuel has been arrested for killing his daughter’s alleged rapist.
The father has been sent to a pre-trial detention centre as the investigation continues.
The age of the suspect’s daughter has not been disclosed police have not confirmed if her alleged rapist was being officially investigated over the rape allegations.