Man accused in 2017 double murder to prevent witness from testifying against his brother

HOUSTON, Texas (KTRK) -- Houston police have arrested a man accused of shooting two people to death at an apartment complex in 2017.

Investigators believe 28-year-old Darius Gilmore killed Robert Watkins and Sydnece Prymus at the apartments located on Greens Road in Greenspoint.

On June 4, 2017, Watkins and Prymus were found shot to death inside a bedroom. Authorities now say Darius allegedly killed them to prevent Watkins from testifying against his brother in a murder case.

"Hard is an understatement, that's an understatement," said Prymus' sister, who did not want to be identified by name. "I would never wish this upon anybody."

Robert was listed as a witness in two pending murder cases against Xavius Gilmore in 2017. Robert was allegedly days away from testifying against Xavius when he and his girlfriend Prymus were killed.

Xavius was found guilty in the murder of Tevin Watkins, Robert's brother, and sentenced to 16 years in prison.

After two years of tracking down leads and looking for witnesses in Robert's and Prymus' murder, police were finally able to charge Darius with capital murder.

"It gives us relief knowing that someone has been charged and arrested," Prymus' sister said.

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