Dallas Police arrest man after 83-year-old grandfather dies in stabbing

21-year-old Derrick Wicker (Source: Dallas County Jail Roster)
DALLAS - Dallas Police were called to a home in the 4500 block of Helen Street around 8:45 a.m. Tuesday for a report of a stabbing.
Elderly man killed in stabbing
What we know:
When police arrived, they found 83-year-old Verner Johnson with multiple stab wounds. Investigators say Johnson died from his injuries at the scene.
Police say 21-year-old Derrick Wicker, of Balch Springs, was arrested in connection with the case and is facing a charge of murder.
He was booked into the Dallas County Jail just after 3 p.m. on Tuesday. His bond has not been set.
According to police records, Wicker's grandmother witnessed the stabbing and said Wicker stabbed her common-law husband, Johnson, with a steak knife. She told police she tried to stop the assault, but was pushed away by her grandson Wicker. That is when she called 911.
Records show the knife was found in Johnson's clothing.
What you can do:
Anyone with information is asked to contact Detective Joshua Romero, #10009, at 214-671-4226 or at joshua.romero@dallaspolice.gov.
The Source: Information in this article is from the Dallas Police Department and the Dallas County Jail.