By Chris Turner Jun 29, 2021 Police in Waterloo are asking for the public's help in locating two persons of interest in a May homicide. 23-year old Dayton Matlock was killed, and two women were injured in a shooting that took place in the early morning hours on May 15. After an investigation, police say 25-year old Marcus Sykes had a gun at the time of the shooting, and evidence indicates he fled to the Des Moines area. He may be with 23-year old Shireca Wilson, who has a warrant out for her arrest on a probation violation. Anyone in the Des Moines area with information regarding the whereabouts of Sykes and/or Wilson is asked to call 911. You may also submit tips to the Waterloo Police Department at 319- 291-4340, Cedar Valley CrimeStoppers at 855-300-TIPS / text the word CEDAR and tip info to 274637 / online at www.cvcrimestop.com, or to CrimeStoppers of Central Iowa at 515-223-1400 / online at www.crimestoppersofcentraliowa.com.