Police Evidence Tracking System The Crime Fighter Beast Police Property Inventory System developed by Porter Lee Corporation is a completely integrated product for police departments of all sizes. Features of the system include: a powerful chain of custody, a flexible case find function, property disposition by expiration date, property disposition with form letters, active bar-coding, field-level audit logging, customizable security functions, remote inventory reporting with barcodes on reports, customized and flexible code maintenance and lookup, extensive management and statistical reports, an integrated crime laboratory system, and evidence transfer using PDF417 barcodes.