Dateline NBC

The Unusual Suspect

Episode Summary

In this Dateline classic, investigators question if there is a serial killer in a suburb of Maryland when two mothers and their teenage daughters are murdered. Dennis Murphy reports. Originally aired on NBC on January 23, 2015.

Episode Notes

In this Dateline classic, investigators question if there is a serial killer in a suburb of Maryland when two mothers and their teenage daughters are murdered. Dennis Murphy reports. Originally aired on NBC on January 23, 2015.