This 2-part episode examines the case of the Mainline Murders and missing persons cases with possible connections to a missing couple.

Did he use his hospital day pass to disappear?

Danielle and her boyfriend, Richard, went missing under mysterious circumstances and the ex has a rock-solid alibi.

What happened to Anthony Capasso?

Dawn left work to head to soccer practice for the Special Olympics. Could her co-worker who was previously a convicted murderer to blame?

Wendy Eaton's family headed to a Country Club to play golf not realizing it would be the last time they ever saw Wendy.

Did Steven plunge into the freezing river to commit suicide or did something far more sinister happen? We may never know.

Suicide, retaliation, or witness protection. We may never know what really happened to District Attorney Ray Gricar.

When the daily dough delivery for the Ghigiarelli’s Pizzeria was found on the sidewalk, Robert's family knew something was wrong.

5 year old Lauren vanished from the front yard of her home. The only clue that remains are two sets of footprints walking away.

After canceling her trip last minute, she sent an "unusual" text message to father and was never heard from again.

On Halloween night 2001, a Penn State University senior disappears out of thin air. Was she abducted? Did she leave on her own?