The crime scene appears authentic because it shows various types of blood patterns, including smears, contact transfers, and dripped blood, which are consistent with acts of violence. This suggests that Joan was likely injured inside the house, rather than staging her own disappearance.
Blood was found in the kitchen, with smears and contact transfers, and there were drops of blood in the master bedroom and the hallway. Outside, blood stains were found on the cement walkway and the car, including a two-inch stain on the trunk and smaller stains on the fender and hood.
The sightings of a bloody and dazed woman on the highway are significant because they suggest that Joan may have escaped the house and was wandering, possibly injured and disoriented. This adds to the mystery and provides a possible scenario of what happened after the attack.
Frank, Joan's adoptive father, was investigated due to her claims of abuse. He was eliminated as a suspect based on blood typing and a non-matching bloody fingerprint. However, his history with Joan and his attempts to reconcile with his estranged wife in the month leading up to her disappearance make him a suspect in the ongoing investigation.
The presence of a stolen bluish gray Oldsmobile in Joan's driveway raises suspicions because it suggests that someone unfamiliar with the family was present around the time of her disappearance. This car was seen in the driveway before and after Joan went missing, indicating it might have been used to transport her body.
The prevailing theories include Joan staging her own disappearance (Gone Girl theory), being abducted by a stalker, and being killed by someone who knew her routine. The hosts find the theory that Joan was killed inside the house and her body removed by an unknown assailant to be the most plausible.
Victimology plays a crucial role by providing context about Joan's background, including her history of abuse by her adoptive father and her loving relationship with her family. This helps to assess the likelihood of different scenarios, such as her staging her own disappearance or being targeted by a specific individual.
The hosts suggest focusing on DNA analysis of the blood stains and latent prints found at the crime scene. They also recommend investigating the lead agency that handled the case and the jurisdiction at the time to locate and preserve any remaining evidence.
On today’s episode, a concluding part of a two-parter, Paul and Kate return to 1961 Lincoln, Massachusetts where a stay-at-home mother has disappeared. Digging into the investigation and the blood evidence from the crime scene, our hosts try to piece together what really occurred.
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