Kind of a long story but here it goes. My wife rescues dogs and finds them new homes. Most get adopted but we have a few foster failures we kept. Anyway, we had 4 dogs that stayed together in a huge fenced in area 1 English mastiff 1 blue pit mix (female) 1 Australian Shepard/bull terrier mix 1 dogo argentino. They all got along good but every now and then when we would play with them the female would attack the mastiff and then all three ganged up on him. We went through this several times over the last 4 years but each time we thought it was done and they got it out of their system and would be fine for several months. Then about a year ago they attacked the mastiff when nobody was around so we separated the mastiff from them and all has been fine until Monday. Monday the dogo and Orr mix attacked and killed the Australian Shepherd. The female had most of the wounds on her but not sure what happened. Nobody was around. My wife went to play with them and found him dead. Our dilemma now is whether to put the other 2 dogs down as well. Part of me says put them down since they have killed and not take a chance but they have never shown aggression with people. The female had some aggressions toward other dogs years ago but loves people. I have spent a lot of time with the dogo (I adopted) and is a very smart dog and loves attention but not sure what to do now since this happened. My thoughts are we had stray dogs come by their fence again and got them stirred up which somehow led to the female attacking the shepherd and then the dogo jumped in to protect her but canít be sure of that. Just going on past history of their actions. Any insight on what could have triggered it and would you trust them or put them down?
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