furthermore with the reconstruction of the facts, they had feigned a much more unforgiving bloodthristiness than really was true, to such an extreme that it was necessary to use public funds to repair the main door of placida linero's house, which was all

Basically they felt guilt, for killing Santiago Nasar. Marquez points out the accountability in the Community for not stopping the Vicario Twins, before it got out of hand. However, no one will admit that and just shove it under the rug.

Furthermore, with the reconstruction of the facts, they had feigned a much more unforgiving bloodthirstiness than really was true, to such an extreme that it was necessary to use public funds to repair the main door of Placida Linero's house, which was all chipped with knife thrusts.