தமிழ் மொழிபெயர்ப்பு 

Advocacy Dossier: Mass Grave Investigations & Transitional Justice in Sri Lanka

Subject: The Chemmani Mass Grave Excavations & The "Anaiya Vilakku" (Unceasing Lamp) Movement

Lead Spokesperson: Dr. Uthayaseelan (வைத்தியர் உதயசீலன்), Medical Doctor & Forensic Analyst, representing Makkal Seyal (மக்கள் செயல் – People’s Action)

Date of Issue: June 28, 2026

Compiled By: Wimal Navaratnam, Human Rights Activist, Independent Researcher

 

1. Executive Summary

This dossier outlines the critical forensic, procedural, and human rights concerns raised by Makkal Seyal (People's Action) during the one-year anniversary of the "Anaiya Vilakku" (Unceasing Lamp) protests at the Chemmani mass grave site. Led by medical doctor and forensic expert Dr. Uthayaseelan, the grassroots civic movement honors the missing while aggressively challenging the integrity of ongoing state-led forensic excavations.

The dossier serves as a formal briefing for international human rights observers, legal bodies, and forensic experts regarding the systematic vulnerabilities in Sri Lanka's transitional justice mechanisms—specifically the state's handling of skeletal remains, carbon dating anomalies, and the structural failures of the Office on Missing Persons (OMP).

2. Profile of Lead Advocate: Dr. Uthayaseelan

●       Affiliation: Makkal Seyal (மக்கள் செயல் – People’s Action)

●       Professional Expertise: Medical Doctor with specialized knowledge in forensic medicine and forensic pathology.

●       Strategic Role: Dr. Uthayaseelan acts as a vital bridge between complex forensic science and public advocacy. By demystifying anthropological bone studies, radiocarbon dating, and DNA profiling for the public, he exposes the technical loopholes and procedural gaps that state authorities may exploit to prematurely shut down mass grave investigations.

3. Core Forensic Concerns & Vulnerabilities

A. Weaponization of Radiocarbon ($^{14}\text{C}$) Dating

A primary anxiety among victims' families is the historical precedent of using carbon dating to derail accountability. In previous investigations, such as the Mannar mass grave, authorities utilized selective carbon dating results to attribute remains to the historical Portuguese colonial era (centuries old), effectively halting criminal investigations.

●       The Forensic Loophole: Archaeological contamination, soil chemistry, and the co-mingling of remains can result in skewed carbon dating profiles if not cross-referenced with modern forensic anthropological data (e.g., modern dental work, clothing remnants, or entry/exit wounds consistent with modern ballistic trauma).

B. Structural Failures of the Office on Missing Persons (OMP)

The OMP suffers from a profound crisis of legitimacy among the affected population due to specific technical deficits:

●       Absence of Pre-Mortem Data: The OMP has failed to systematically collect comprehensive ante-mortem/pre-mortem records—such as historical medical files, records of childhood bone fractures, unique skeletal anomalies, or dental records—which are vital for identifying remains.

●       Lack of Genetic Profiling: There has been no systematic effort by the OMP to build comparative DNA profiles linking recovered skeletal material to surviving family members.

4. Key Advocacy Demands

The "Anaiya Vilakku" movement—symbolized by the lighting of 427 torches to honor the 427 skeletal remains recovered to date—demands immediate international and structural interventions:

 

┌─────────────────────────────────────────────────────────────────────────┐
│                       CORE DEMAND MATRIX                                │
├───────────────────────────────┬─────────────────────────────────────────┤
│ Technical Demand              │ Operational Requirement                 │
├───────────────────────────────┼─────────────────────────────────────────┤
│ 1. Transparent DNA Database   │ • Immediate genetic mapping of elderly  │
│                               │   maternal relatives before DNA degrades│
│                               │ • Remote testing protocols for families │
│                               │   living in the diaspora.               │
├───────────────────────────────┼─────────────────────────────────────────┤
│ 2. Strict Chain of Custody    │ • Continuous monitoring of remains by   │
│                               │   independent human rights lawyers.     │
│                               │ • Direct oversight by victims' family   │
│                               │   representatives to prevent tampering. │
├───────────────────────────────┼─────────────────────────────────────────┤
│ 3. Geographic Expansion       │ • Extend excavations to all suspected   │
│                               │   mass grave sites, focusing heavily on │
│                               │   former High-Security Zones (HSZs).    │
└───────────────────────────────┴───────────────────────────

5. Sociopolitical Framing & Human Rights Context

The Right to Mourn vs. Political Stigmatization

State and nationalist political narratives frequently attempt to delegitimize the pursuit of forensic accountability by labeling memorialization efforts as "racist," "extremist," or an attempt to "rekindle past conflict."

Makkal Seyal strongly rejects this framing. Dr. Uthayaseelan and the collective families emphasize that:

1.     Memorialization is an Inalienable Right: The act of grieving, holding vigils, and demanding to know the fate of disappeared loved ones is protected under international human rights law (including the International Covenant on Civil and Political Rights).

2.     Accountability is Not Extremism: Demanding a rigorous scientific investigation into mass graves is a foundational prerequisite for genuine rule of law, not a political provocation.

6. Actionable Recommendations for International Observers

●       Pressure for Independent Oversight: Intervene via diplomatic channels to demand that independent, international forensic anthropologists and observers are embedded within the Chemmani excavation team.

●       Technical Audits: Request an immediate international technical audit of the current chain of custody protocols handling the 427 recovered remains.

●       Fund Independent DNA Archiving: Support non-governmental or international humanitarian organizations in establishing an independent, secure genetic repository for families of the disappeared to ensure their DNA is preserved and cataloged transparently.

7. Closing Statement

"The 427 torches lit at Chemmani do not merely represent numbers in a ledger; they represent daughters, sons, mothers, and fathers whose fates have been hidden in the earth for far too long. To dismiss their discovery through technical manipulation or bureaucratic indifference is to commit a second injustice against their families.

Justice cannot be built on a foundation of compromised evidence and enforced silence. The international community, alongside independent scientific and legal bodies, must stand with the families of the disappeared to guarantee absolute transparency, secure a rigorous chain of custody, and defend the fundamental human right to mourn, remember, and demand accountability. The 'Unceasing Lamp' will not be extinguished until the truth is entirely brought to light."

 

     In solidarity,

     Wimal Navaratnam

     Human Rights Defender |Independent Researcher | ABC Tamil Oli              (ECOSOC)

      Email: tamilolicanada@gmail.com

Intended audience and use Audience: Policymakers, international legal bodies, human rights investigators, forensic researchers, advocacy organizations, and affected communities. 

Use: Executive Summary and timeline for rapid briefing; consolidated legal framework for legal assessment; appendices for source verification and methodological transparency.