Investigators are still searching for a motive in an Amarillo double homicide.
20 year old Marcos Portillo remains behind bars facing two counts of murder. Police say he is responsible for killing 11 year old Severo Rodriguez and 44 Jesus Rubio.
His 21 year old brother Gonzalo is also in jail for tampering with evidence.
According to Special Crimes, there was a feud between the two families, but they still need you help in building a more solid case. They ask anyone with information regarding this case to call 378-9468.