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All cases/ BSR-000002
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BSR-000002 — Fatuma Langat

Side-by-side biometric comparison, evidence chain-of-custody, and signed resolution export for Kakamega County General Hospital.

62·MediumEscalated
62
Risk score
68
Iris match vs cohort
0/8
Evidence completed
20d ago
Time open

Side-by-side biometric comparison

Compare the flagged child against the same-facility birth cohort (±90 min)

Flagged child
Fatuma Langat
CHI-000120 · UPI KE-26-79900462 · Female
Iris quality
78
Confidence
76
Birth weight
2.4 kg
Delivery
Assisted
Mother
Nyambura Langat · ID 31802297
Last iris attempt
Left eye · quality 78 · device IRIS-CAM-196
Cohort comparison
Ouma Cheruiyot
CHI-000008 · UPI KE-26-93614197 · Male
Iris quality
88
Confidence
86
Birth weight
3.26 kg
Delivery
Assisted
Mother
Mwanaisha Karanja · ID 27801268
Last iris attempt
Right eye · quality 79 · device IRIS-CAM-193
Composite iris similarity68 / 100

Lower scores between cohort siblings = lower likelihood of swap. Scores above 70 warrant deeper biometric review.

Evidence checklist

Required items must be completed before resolution

  • Mother iris re-match (1:1)
    Required
  • Child iris re-capture if quality < 80
    Required
  • Facility CCTV window pulled (±2h of birth)
    Required
  • Attending officer statement collected
    Required
  • Device tamper / geofence logs reviewed
    Optional
  • Wristband chain-of-custody verified
    Required
  • DNA test ordered (if escalated)
    Optional
  • Guardian formally notified
    Required

Investigator resolution

Resolution is recorded immutably in the audit ledger

Complete all required evidence items before final submission.

Chain-of-custody timeline

Kakamega County General Hospital · device & actor lineage for the birth window

  1. 05:00 UTC
    Dr. M. Owino
    Admission & delivery recorded
    Maternal admission at Kakamega County General Hospital. Wristband W-0002 issued.
    Device trust92
  2. 05:20 UTC
    Nurse H. Said
    Initial iris capture
    Right-eye capture, quality 84. Device IRIS-CAM-147.
    Device trust94
  3. 05:40 UTC
    Nurse H. Said
    Mother-child linkage verified
    Maternal iris 1:1 match, score 96.
    Device trust94
  4. 07:30 UTC
    Officer A. Mwangi
    ⚠ Manual correction within 24h
    Birth time edited by +12 minutes — flagged by anomaly engine.
    Device trust71
  5. 08:00 UTC
    AI Anomaly Engine
    Case auto-opened
    BSR-000002 created. Signal score crossed threshold.
  6. 08:30 UTC
    Supervisor J. Kibet
    Assigned to investigation queue
    Routed to Baby-Swap Risk Centre with priority.
    Device trust88