Originally posted by FrankO
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Yes, that's more complete, and includes a few western side streets I had missed in my quick once over version above. As GBinOz suggests, if by "interior" streets he only means ones to the eastern side of Backchurch Lane, then those sides drop off, but a 33 minute beat, while on the long side, would not be too long to consider. Also, given his northern stretch goes west, then those western side streets could be interpreted as being "interior" as they're inside the most extreme boundaries; also the description "interior" may just mean any side streets, and not just referring to interior in the geometric sense.
I suppose, though, if we use his beat time of 25-30 minutes as his usual short and long circuit time, then perhaps he was only responsible for the eastern side of Back Church Lane and there was another beat that covered the western side (and so those side streets). There's a court, or square, just by the C in Church (of Back Church Lane), which he probably had to cycle through, so if we removed the western side streets and included that and the other "interior" sides, we're probably looking at something like this:
Sorry, my measuring got broken into two sections, but it totals 2365.996 feet, which at 2.5 mph would take 30 min, 28 seconds. To do that in 25 minutes, he would have to walk at about 3 mph, which is about average walking speed (3.1 mph), so faster than regulation, but not running or anything like that. So this version only has him responsible for the eastern side of Back Church Lane, and on the eastern boundary of his beat, he may only have been responsible for the western side of Church Street. Presumably there's another beat that would cover those sections. Overall, that looks ok to me too, it's just the two odd "tails" in the north west and south east that look strange to me. I can sort of understand the south east one, as it just has him go to the end of Fairclough so that covers the whole street, but the north west section seems a bit out of place for the rest of his beat area and I would think would get covered by someone else. But, just because it looks odd to me doesn't mean it wasn't based upon some reasoning, and he states that is part of his patrol, so there you have it.
Anyway, yes, looking at the various possibilities suggested, given the possibility of him being inside some nook or cranny, or at quite some distance, it is possible to understand why he may not have heard the commotion. I find sorting out these beats, where possible, to be really helpful, and a lot of things that seem bizarre suddenly make a sort of sense once we get a better idea of where the police were (or roughly where they were) at various times.
- Jeff
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