• This Day in Crime History

    January 16: 1936: Serial Killer Hamilton Howard “Albert” Fish was executed in the electric chair in Sing Sing Prison. He was responsible for at least 5 murders, including 10-year-old Grace Budd whose murder he was sentenced to death for.

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Monsters Among Us: Mark Porter killed Gary and Jan Tyrrell; Sentenced to two consecutive life terms


Gary and Jan Tyrrell

Gary and Jan Tyrrell obituary
Bodies of missing Effingham couple found
Police investigating Springfield couple’s death as a double homicide
Charges Filed in Murders of Jan and Gary Tyrrell
Search warrant: Couple’s killer had ‘gambling issues’
Suspect in Springfield couple’s murder denied bond
Ex-school superintendent charged in couple’s death
Money possible motive in death of college professor, wife
Prosecutor says defendant in double slaying has dark side; ‘He’s two men’
Mark Porter Pleads Guilty for 2014 Murders
Missouri man pleads guilty in couple’s deaths
Daughter of slain Springfield couple wept as judge gave Porter two life sentences
Dateline: ‘The Collector’ Killer Made $275,000 A Year At IBM
Former Wright City School Superintendent Given Life Prison Term
Mark Porter Pleads Guilty and is Sentenced to 2 Consecutive Life Terms in 2014 MO Murder of Gary and Jan Tyrrell
MO – Gary, 60, & Jan Tyrrell, 61, murdered at their Springfield home, 30 April 2014
Springfield murder case to be featured on NBC’s Dateline

Dateline: The Collector (you can watch it here)



DOC ID 1289514
Offender Name Mark E Porter
Race White
Sex Male
Date of Birth 11/13/1960
Height/Weight 5’11” / 193
Hair/Eyes Gray/Partially Gray / Blue
Assigned Location South Central Correctional Center
Address 255 West Highway 32, Licking, MO 65542
Assigned Officer Phone Number (573) 674-4470
Sentence Summary Life (Life, Life CS)
Active Offenses MURDER 2ND DEGREE (2 CTS)
Completed Offenses Completed sentence not found
Aliases Mark Edward Porter; Mark Porter; Mark E Porter


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