Joseph Sullivan, also known as Joe “Mad” Dog Sullivan, may lack a Wikipedia, but he is not an unknown name in the US hitmen list. Here’s what you need to know about him.

Joseph Sullivan was an Irish-American gangster and hitman. He was a longtime hitman for the Genovese family, one of the big and dangerous “Five Families” of the American crime syndicate.

Joseph Sullivan is predominantly known as the only inmate to escape from New York’s Attica prison. His life story is as savage as the crimes that he committed.

Joseph Sullivan Wikipedia: His Age

Joseph Sullivan or Joe’ Mad Dog’ Sullivan does not have a Wikipedia biography as of today. Nevertheless, he has been covered by numerous top-notch media houses for his vicious killings and crimes.

He ventured into the world of crime at the young age of 12 with robberies. He then moved onto manslaughter, for which he was sentenced to 20-30 years prison in the legendary Attica prison.

Ex-mob hit man, Joseph “Mad Dog” Sullivan, has died, officials said https://t.co/Ea6zDUAMXQ pic.twitter.com/qzgPdPBb2h

— Newsday (@Newsday) June 17, 2017

He earned his infamous nickname “Mad Dog” from fellow inmates as he suffered from salivary gland disorder. He escaped from the prison after four years but was again caught a few weeks later. 

Always in and out of jail, he served a long time for the Genovese crime family. His complete story can be found on Mafia Wiki. According to his last trial, he is known to have killed 20 to 30 people.

Joe’ Mad Dog’ Sullivan’s age was 78 years old when he died on June 9, 2017. He was born on March 31, 1939, in Queens, New York.

Meet Joseph Sullivan, Wife And Family

Joseph Sullivan married his wife his Gail Sullivan, in 1977. They started their relationship amidst Joe’s criminal career.

Episode 124 is here! Part 2 of Contract Killer “Mad Dog” Joe Sullivan
Find it at https://t.co/CxUimgcKuL
This episode features a promo for @truecrimedeadline hosted by the Emmy Award winning journalist Matt Johnson
#podcast #truecrime #joesullivan #genovese #murder #podernfamily pic.twitter.com/ZwtR9rrz8S

— Tara Sariban (@bloodymurderpod) August 19, 2019

The couple bore two sons: Ramsey and Kelly, from their marriage. Gail has made her TV appearance on Prison Wives in 2010.

How Did Joseph Sullivan Die?

Joseph Sullivan died of natural causes at Fishkill Correctional Facility, per The Seattle Times. He was serving 87 years of life imprisonment after being convicted of three murders.

ncG1vNJzZmivp6x7u7PRZ6WerF%2Bau3DDyKSgaKKfmnqurcNmm6ifXajCrbjIr5inZaeeuKq8xJ2gmmWVq7KzxdOhoKefXZavsMHTZquhnV2ev6q%2Fx2aemqaXqMGmvo4%3D