Did they make it clear in this case?
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Lt. Michael O'Connor says SWAT says it never wants to be mistaken for other people, "We had our large armored vehicle there with the markings on it. It also has lights and sirens. It was going.
Note he does not actually say that the lights and sirens were going. OTOH, the wife and a neighbor are on record as saying they were not.
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So we do everything we can to try to portray the image that we're law enforcement, we're not home invaders."
Again, he doesn't actually say they did so in this case.
You’d sure think the sheriff would have filmed the entire scene, showing this supposed siren and lights display while the raid progressed. If he meant what he said. It sounds, at best, at BEST, like the SWAT is covering its hineys and told lies to everyone involved, including the sheriff who believed them until some embarrassing contradictions and lack of evidence turned up. At worst, there is wink and nod from the sheriff too.
He said "IT was going." It's clear he's talking about he lights and siren, what else could he have meant?