Alvin Karpis

Alvin Karpis along with his partner the Barker Boys {Sons of Ma Barker) were an infanous gang of Bank Robbers; killers and Kidnappers.

Summary of Barker-Karpis gang crimes:

Background=

1900–1920

1910—Herman Barker arrested for highway robbery in Webb City, Missouri.
March 5, 1915—Herman Barker arrested for highway robbery in Joplin, Missouri. (Herman and Lloyd Barker reportedly involved with the Central Park Gang of Tulsa, Oklahoma.)
July 4, 1918—Arthur "Doc" Barker involved in US automobile theft in Tulsa, Oklahoma; arrested (#841) (escaped).
1918-1919 Lloyd Barker in US Army {Cook}

1920–1929

February 19, 1920—Arthur Barker arrested in Joplin, Missouri (#1740); returned to Tulsa, Oklahoma.
1921—Lloyd "Red" Barker arrested for vagrancy in Tulsa, Oklahoma.
January 15, 1921—Arthur Barker aka "Claude Dade" involved in attempted bank robbery in Muskogee, Oklahoma; arrested (#822).
January 30, 1921—Arthur Barker aka "Bob Barker" received at the Oklahoma State Prison (#11059); released June 11, 1921.
June 17,1921 Lloyd Barker and William Green rob a US Mail Truck Baxter Springs kansas
August 16, 1921—Arthur Barker and Volney Davis involved in killing of night watchman Thomas J. Sherrill in Tulsa, Oklahoma. (According to other sources[1]) Thomas J. Sherrill. was a night watchman at St. John's Hospital in Tulsa.)
January 8, 1922—Central Park Gang involved in attempted burglary in Okmulgee, Oklahoma; shootout results in one burglar dead while police Captain Homer R. Spaulding[2] dies of his wounds on January 19, 1922. One gang member is sentenced to life in prison while another had his sentence overturned.
January 16, 1922—Lloyd Barker received at Leavenworth Prison (#17243) after arrest for robbing mail at Baxter Springs, Kansas and sentenced to 25 years; released 1938.
February 10, 1922—Arthur "Doc" Barker received (#11906) at Oklahoma State Prison for the murder of Sherrill.
1926—Fred Barker robbed bank in Winfield, Kansas; arrested.
March 12, 1927—Fred Barker admitted to Kansas State Prison.
August 1, 1927-Herman Barker cashed stolen bank bonds at the America National Bank in Cheyenne, WY. Sheriff Deputy Arthur Osborn[3] flagged down Barker's car. Barker picked up a gun from the vehicle's seat and shot Osborn. Osborn died as a result.
August 29, 1927—Herman Barker commits suicide in Wichita, Kansas after being stopped at police roadblock. (Wichita Policeman J.E. Marshall[4]) had been killed on August 9, 1927, by the Kimes-Terrill Gang that Herman was associated with. Five other policemen were killed by the Kimes gang.[5]

Barker–Karpis gang

1930–1939

(Of Barker–Karpis gang/associates: 18 arrested; 3 killed by lawmen; 3 killed by gangsters; 1 died of wounds) Later events

World War II - Lloyd Barker was a US Army cook ironically at A POW camp Fort Custer, Michigan; received US Army Good Conduct Medal and Honorable Discharge.
March 18, 1949 — Lloyd Barker was manager of Denargo Market in Denver, Colorado; he was murdered by his wife; she was sent to Colorado State Insane Asylum.