Public safety officials have finally arrested a principal suspect in the slayings of a corporate executive, his wife, their 10-year-old boy and the housekeeper inside a northwest Washington mansion.

US Marshals Service says 34-year-old Daron Dylon Wint was arrested around 10:45 p.m. Thursday in northeast Washington, DC.

He is a native of Guyana and a former US Marine, who's been previously convicted of assault and malicious destruction of property.

Suspect in Washington DC quadruple homicide arrested | http://fxn.ws/1Q0h2Fe

Suspect In D.C. Mansion Murders Arrested After Manhunt http://www.buzzfeed.com/stephaniemcneal/suspect-in-dc-mansion-murders-is... via @stephemcneal @buzzfeednews

Suspect in Washington quadruple killing apprehended: police http://reut.rs/1Hykwje via @Reuters