(720 ILCS 5/14-7) (from Ch. 38, par. 14-7)

Sec. 14-7. Common carrier to aid in detection.

Subject to regulation by the Illinois Commerce Commission, any common carrier by wire shall, upon request of any subscriber and upon responsible offer to pay the reasonable cost thereof, furnish whatever services may be within its command for the purpose of detecting any eavesdropping involving its wires which are used by said subscriber. All such requests by subscribers shall be kept confidential unless divulgence is authorized in writing by the requesting subscriber.

(Source: Laws 1961, p. 1983.)