Topeka police have arrested a suspect in the fatal shooting that occurred last Friday.

18-year-old Dmario M. Valdivia was arrested Monday afternoon around 2 p.m.  Valdivia was booked into the Shawnee County Department of Corrections on charges of 1st Degree Murder, Aggravated Kidnapping, and Aggravated Robbery.

Officers received calls around 1:30 a.m. on Friday, February 8th about a shooting in the 1200 block of SW Washburn.

Upon arrival, officers located 19-year-old Ja’Sean Alston of Topeka suffering from life-threatening injuries.  Alston was taken by ambulance to a local hospital where he later died.

The investigation is ongoing. Anyone with information regarding this crime is encouraged to email [email protected] or contact the Topeka Police Criminal Investigation Bureau at 785-368-9400. Anonymous tips can be made by calling Shawnee County Crime Stoppers at 785-234-0007. You can also make anonymous tips online at