From left, Gabrielle Union and Jessica Alba in “L.A.’S Finest,” making its network television d …

From left, Gabrielle Union and Jessica Alba in "L.A.'S Finest," making its network television d ...

From left, Gabrielle Union and Jessica Alba in “L.A.’S Finest,” making its network television debut Monday, Sept. 21 on FOX. (Spectrum Originals/Sony Pictures Television/FO