Okay, let's tackle this question. The scenario is about identifying a dead body that's been mutilated, specifically the face, so facial recognition isn't possible. The person in question is a convict who escaped from jail, and there are no biological samples available from the jail authorities. The question is asking how to establish the positive identity that the dead body is the same convict.

First, I need to recall the methods used for positive identification in forensic cases, especially when traditional methods like facial recognition or fingerprints aren't possible. Since the face is mutilated, maybe dental records? But wait, the question mentions that no biological samples were available with the jail. So maybe DNA isn't an option either. Hmm.

Wait, another method is using unique physical characteristics or tattoos. Convicts might have tattoos that are unique and can be matched. Or perhaps other scars or marks. Alternatively, maybe the body's dental records could be compared if the convict had distinctive dental work. But the question doesn't mention dental records being available. Let me think again.

Another possibility is the use of antemortem records. If the convict had any unique medical conditions or procedures, like a specific surgical scar, or if he had a unique implant or something. But the question states that there are no biological samples, so maybe medical records aren't available either.

Wait, there's also the concept of personal effects. If the convict had any items that could be found with the body, but the question doesn't mention that. Maybe the answer is related to a specific forensic technique. Let me think again about the options. The options aren't listed here, but the correct answer is probably related to one of these methods.

Oh, right! In cases where the body is decomposed or mutilated, the use of DNA profiling is a standard method. But the question says that no biological sample was available with the jail. So maybe the answer is not DNA. Then, perhaps the answer is dental records. If the convict had a unique dental profile that can be matched postmortem, that would work. So the correct answer would be dental records. But the question says that no biological sample was available, but dental records are antemortem and can be compared with postmortem findings. So even if there's no biological sample, if the convict's dental records exist, they can be used for identification.

So the core concept here is identification methods in forensic pathology, specifically when traditional methods are not feasible. The correct answer would be dental records. The other options might be things like fingerprinting, which is not possible due to face mutilation, or DNA which isn't available. Alternatively, maybe the answer is using the convict's personal effects or clothing, but if he escaped, those might not be with him. So dental records are the most reliable here.

**Core Concept**
This question tests knowledge of **positive identification methods** in forensic pathology, particularly when traditional identifiers (e.g., facial features, fingerprints) are unavailable. Key methods include **dental records**, **DNA profiling**, **surgical implants**, or **unique body markings**.

**Why the Correct Answer is Right**
**Dental records** provide a reliable method for identification when other options fail. Each individual’s dental structure is unique, and antemortem (pre-death) records can be compared with postmortem findings. For convicts, dental records are often maintained by correctional facilities,

✓ Correct Answer: C. Anthropometry