PRESUMPTION OF INNOCENCE IN CRIMINAL CASES INVOLVING IDENTICAL TWINS: A DOCTRINAL ANALYSIS OF FORENSIC AND LEGAL CHALLENGES
AUTHORS – JANANI SHREE R J* & HEMAVATHY D**
* STUDENT, B. A. LL. B. (HONS.), SCHOOL OF EXCELLENCE IN LAW, THE TAMIL NADU DR. AMBEDKAR LAW UNIVERSITY, TARAMANI, CHENNAI – 600113.
** B. COM. LL. B. (HONS)., LLM., LAW FACULTY, SCHOOL OF EXCELLENCE IN LAW, THE TAMIL NADU DR. AMBEDKAR LAW UNIVERSITY, TARAMANI, CHENNAI – 600113.
BEST CITATION – JANANI SHREE R J & HEMAVATHY D, PRESUMPTION OF INNOCENCE IN CRIMINAL CASES INVOLVING IDENTICAL TWINS: A DOCTRINAL ANALYSIS OF FORENSIC AND LEGAL CHALLENGES, INDIAN JOURNAL OF LEGAL REVIEW (IJLR), 6 (2) OF 2026, PG. 65-71, APIS – 3920 – 0001 & ISSN – 2583-2344. DOI – https://doi.org/10.65393/RYHO7885
ABSTRACT
The core aspect of criminal justice system of India is that an accused person is presumed innocent unless and until proven guilty. Because of this presumption of innocence, it is the prosecution’s responsibility to prove guilt beyond a reasonable doubt. However, the implementation of this principle is complicated by serious forensic and legal issues that arise in criminal instances involving monozygotic (identical) twins. Due to their almost similar genetic composition, conventional forensic methods, especially Short Tandem Repeat (STR) DNA analysis, frequently fail to differentiate between identical twins. This restriction raises grave concerns about erroneous convictions and miscarriages of justice and diminishes the evidential value of DNA evidence.
This paper conducts a doctrinal examination of the presumption of innocence in identical twin cases, looking at the consequences for the burden of proof and reasonable doubt, the evidentiary and prosecutorial challenges, and the forensic limitations of conventional DNA testing. Along with the constitutional and human rights aspects involved, such as the right to a fair trial, it also examines sophisticated identification methods, their scientific validity, and their legal admissibility. In order to ensure that the integrity of the presumption of innocence is maintained in such complicated cases, the study ends with useful recommendations for bolstering evidential protections.