Cops Say T-Hood Murder Suspect Is Son of 'LHHATL' Stars Kirk Frost & Rasheeda

Huge update in the T-Hood murder case down in Georgia -- cops have identified their top suspect ... and he is the son of "Love & Hip Hop: Atlanta" stars Kirk and Rasheeda Frost.

TMZ obtained the incident report from the rapper's slaying ... and the Gwinnett County Police Department says their primary murder suspect is Ky Lasheed Frost. T-Hood's mom also told TMZ ... the alleged killer is the son of Kirk and Rasheeda.

As we reported ... T-Hood was shot at his Georgia home Friday, and he later died.

It's since been revealed T-Hood was dating Kirk and Rasheeda's daughter ... and now cops say the rapper was shot in a "domestic dispute," and they've fingered Kirk and Rasheeda's son as their suspect.