There is no definitive way to detect the theorized Tachyon particle.
There are observers who see the particle reach its target before it was emitted by the source.
What type of time travel is in A Christmas Carol? Neil deGrasse Tyson and comedian Chuck Nice answer fan questions on time travel, paradoxes, and wormholes with theoretical physicist, Brian Greene. Did Ebenezer Scrooge get pulled through a wormhole?