HL-2026-04706

Facilities maintenance contractor billing for staffing hours not on site. Sign-in sheets appear altered. Additional context: complaint received via email on 6/24/2026. Reporter identified as verified caller. Facility of interest: Chicago NDC (Central District, ZIP 60607). AI triage suggests routing to Contract Fraud program area with 84% confidence based on lexical and pattern similarity to 5 prior complaints.

Reporter alleges pattern consistent with contract fraud at Chicago NDC. Language cues, named entities, and reference to prior incidents suggest a predication-worthy referral. Model matched 84% to 5 prior complaints in this program area over the past 180 days.