this is as robert mallette was sentenced for the crime today. brad sat down with the good samaritan earlier today. brad: this is a tough story. a man who was 79 years old almost 8 o last september in bowie. there was a young woman who needed help. he provided that helm. for his efforts he was severely beaten. tough story. bob remembers clearly how the nightmare began. >> a young woman came running across the intersection. brad: he was a block from his the woman stopped his car and said -- >> help me, help me, please. my boyfriend is trying to kill me. brad: he let her in and they took off but soon realized the boyfriend robert mallette was following. he cut them off. jumped out, kicked the car. he drove away again only to have mallette race up and ram him from behind. three times. mallette reached up and opened the door and the beatdown was on. today bob came to court to tell a judge how bad it was. the 8 o-year-old retired engineer and air force vet had a broken jaw, dislocated chin and mangled ear. the judge listened and sentenced mallette alr

brad: that happened three times until the boyfriend robert mallette managed to corner bob. the woman jumped out and ran but mallette knocked the 80-year-old good samaritan unconscious. today already found guilty of assault, robert mallette was sentenced to seven years behind bars. >> we are pleased that this man is off the streets for a long time. he is a danger to our community. brad: bob heard an apology today says he doesn't know if he saved the woman's life but he doesn't regret helpin >> you do what you do based on the circumstances at the time. brad: in supper marlboro, brad bell, abc7 news. jonathan: good man. he does not look 80 by the way. a prince george's county police officer now facing criminal charges. grand jury today indicting corp rail crudup for charges including witness intimidation. they opened an interim investigation two years ago when he was accused of interfering with the investigation. michelle: while moments in florida that make you question what would you do for $700? >> that is a big snake, boys. yeah. it is huge! that is a man wrestling an 18-fo

. >> blood still stains the sidewalk where 21-year-old tanisha mallett was shot and killed in february i lost someone. my best friend. >> the young shooter killing one oh five in february. the murder remains unsolved. but new ballistic technology is dramatically helping chicago police and federal agents solve cases like hers. in 2014, police began to enter detailed information from every gun and bullet found at at crime scenes into a database. they now have a catalog of valuable stories for tens of thousands of guns on the streets. a 9-millimeter glock was just recovered from a suspect. the ballistic database shows that it was used in one of those february murders. it may have killed mallet. it was also used in another homicide in march of 2016, and in four other shootings across chicago. >> minus this technology, we would never be able to connect those dots. >> the gun that was just recovered and linked to the young mothers of murder, part of a active investigation. police cannot give us any more details about it. but the technology is linking police to killers. and just releasing the

the ballistic database shows it was used in the february murder and in the same district where mallette was killed. it was used in another homicide in march of 2016 and it four other shootings across chicago. because of the nibin database, the suspect who had the gun has a lot of questions to answer, including whether he pulled the trigger, killing two people, including mallets. >> until it happens to you, you don't know the pain. stick with the gun potentially linked to the murder as part of an active investigation. atf officials say here in chicago this technology has helped them with dozens of gun cases pending in court. >> bret: matt finn in chicago. breaking news out o a shooting that critically wounded a paramedic started as a dispute between two neighbors. the suspect gunman was found dead as officers searched the neighborhood. a second body was found in the home, though no details have been released about that person. the state of texas is about to get tougher on sanctuary cities. doug mckelway tells us officials could find themselves on the other side of prison bar bars. >> wha