the 53-second video features footage of the unnamed woman recording an incident involving multiple officers in south gate , southern california .
the woman is then approached by a tall man with a riffle who wrestles the cell phone from her .
he then throws it to the pavement and then kicks it in a fit of rage .
u.s. marshals spokesperson has said the shocking footage ` is being reviewed ' , while the l.a. county sheriff 's department is also investigating .