That suspect has been identified as 33-year-old Antonio Atkinson, who was a family friend to Hernandez. Detectives said Atkinson stayed in the garage where earlier in the day witnesses said he had started acting strangely.
Just after the stabbing police said Atkinson ran from the home. He was arrested in the area of Chestnut and Church.
Hernandez died at the hospital.
Fresno Police said this is the 26th murder this year compared to 41 murders at this time in 2017.