C519 Snooping on the Kidnapper's Phone!

He walked around the first floor but didn't hear the child's voice. Just as he was about to head to the second floor, a phone started ringing.

The call was quickly answered. "Hello," a man said in a low voice.

"The deadline you gave has passed. Where's the child?" the employer asked impatiently.

The kidnapper replied, equally impatient, "I have my own pace and strategy