HOUSTON (KTRK) -- Two elderly people were attacked at two different locations, but just minutes apart. In both of those incidents elderly men were shot inside their homes and one of those shootings ended with a man left for dead in his living room.Both of the shootings were on Houston's southeast side. The first was just before 2am on Grace near Griggs. The second shooting was about 10 minutes later on London near Ward.In the first shooting, police say a man in his 60's was inside his home, watching television when someone came in and started shooting. Police say the man was shot numerous times and died instantly.When officers arrived they found the victim still in his chair. It appears the man was watching TV when the attack happened. Right now police only have a vague description of the shooter and his getaway vehicle.But officers want to know if the gunman who killed that man on Grace could be linked to a second similar shooting just minutes later.A man shot on London was around the same age as the victim on Grace and was also shot in his home. The only difference is that the man shot on London survived. Now police want to know if he is the key to finding the gunman.