The mum gunned down by her neighbour following a dispute about noise had come to the US for a better life but died desperately trying to protect her children.
A massive manhunt was launched after five people were massacred on Friday night near Cleveland, Texas, with an AR-15 after asking the neighbour to stop shooting his guns so their baby could sleep.
Sonia Guzmán had legally moved to the US six years ago with her young son, Daniel, her mum has revealed.