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Additional Details on Saturday Night Amber Alert

FOR IMMEDIATE RELEASE: Tuesday, June 1, 2021

Contact: Tony Mangan, Public Information Officer, 605-773-6196


Additional Details on Saturday Night Amber Alert


PIERRE, S.D. – The South Dakota Highway Patrol was the lead agency on Saturday night’s amber alert through parts of South Dakota. Here are additional details on the event:


At 12:48 p.m. Saturday, there was a report of a possible kidnapping in Custer County. Katrina Seay, 37, Rapid City, was reported to have taken her two children, a girl age nine and a boy age five, from their legal guardian’s home in Custer. Seay was driving a 2014 Chevrolet Cruze sedan.


An amber alert was issued for the two children. The vehicle was located on South Dakota Highway 44 headed towards Interstate 90. The Highway Patrol and other law enforcement followed the vehicle eastbound on Interstate 90. The Highway Patrol airplane also was used to monitor the vehicle’s direction of travel.


No stop was initiated for safety reasons.


The vehicle took the Mitchell exit and short pursuit took place within the city before the pursuit was ended. The suspect drove northbound on South Dakota Highway 37, turned off a dirt road and drove to a residence located on 245th Street.


Officers arrived and Highway Patrol troopers and Davidson County Deputies arrested two adults: Seay and passenger, Matthew Cabaniss, 40, Rapid City.


Both children were found safe and later transported back to their guardian’s residence in Custer.


Charges are pending with the Division of Criminal Investigation and the Custer County Sheriff’s Office.


The Highway Patrol is part of the South Dakota Department of Public Safety.