Bible Verses about “after death communication”

“‹Behold my hands and my feet, that it is I myself: handle me, and see; for a spirit hath not flesh and bones, as ye see me have.›”

“And he said unto them, ‹Why are ye troubled? and why do thoughts arise in your hearts?›”

“But they were terrified and affrighted, and supposed that they had seen a spirit.”