I think the body is enough. After the discovery violations crippled their ability to move forward (can’t present evidence if you can’t call the experts to explain it), they couldn’t just regroup and re-file; they needed more. The body is huge, because it proves once and for all she is dead, which was a major hurdle.
I agree, she won’t be in biking clothes. If Barry wanted her found, then she’d be wearing them, and wouldn’t have been buried. He left the house to dump her body, thinking that he’d be able to put her in a place where that sort of thing wouldn’t matter. As the saying goes however, “the best-laid plans of mice and men often go awry”
We know she had never ridden in that location before. We know she didn’t bring things she would always bring (camelback and sunglasses). We know that she would have had to have not turned her phone on all morning (on fricken Mother’s Day of all days), and then bizarrely taken it on that bike ride.
No biking clothes? Now that’s one big cherry on top.