The palo verde case is significant because it

The reason that the palo verde is considered to be significant was because of the fact that it is about the murder case in the year 1992 in Phoenix where in the plant evidence was used in the Data analysis that has been recorded as the first time in the criminal proceedings.

it was important because it showed that america was a force to be reckoned with during the cold war.

originally he was supposed to be dead but they wanted to continue the series so they brought him back to life.