<Tr> <Td_colspan="5"> Detective Anthony Reyes and his team are investigating the murder of a middle - aged mother of four shot to death in a random robbery outside a public storage facility . With no witnesses to the actual shooting, detectives must rely on surveillance footage, which could be the key to solving their case . </Td> </Tr> <Tr> <Th> 7 </Th> <Td> 164 </Td> <Td> "The Good Son / Jacked Up" </Td> <Td> Harris County, TX / Birmingham, AL </Td> <Td> August 12, 2010 (2010 - 08 - 12) </Td> </Tr> <Tr> <Td_colspan="5"> When a 16 - year - old boy is murdered at his family's roadside taco stand, Sergeant Henry Palacios is faced with one of the most tragic cases he has ever seen . Palacios is hot on the trail of his suspect, when another shooting turns the case on its head; Detective Marcel Walker investigates the murder of a 29 - year - old car mechanic shot to death when a late - night tune - up turns deadly . </Td> </Tr> <Tr> <Th> 8 </Th> <Td> 165 </Td> <Td> "Silent Rage / Tainted Love" </Td> <Td> Harris County, TX </Td> <Td> August 19, 2010 (2010 - 08 - 19) </Td> </Tr>

When does the first 48 hours come on