<sod >The shocking abuse was captured on camera by Mr Jasso, who is now living in the UK Juan Jasso, who is an American citizen and US veteran, was the victim of the disgraceful racist attack on a Manchester tram  Mr Jasso served as a Signals Intelligence Analyst in the US Army from 1997 to 2004 He told Channel 4 News: 'And I didn't feel threatened at all, but you don't know what can happen from the situation whenever you challenge anyone, because you don't know who they are, their background or how they are going to react. 'So it's up to the best interests of the individual to make up their own minds on whether or not it's worth them challenging somebody.' According to his LinkedIn profile, Mr Jasso served as a Signals Intelligence Analyst in the US Army from 1997 to 2004.   And he claimed that while there may have been 'undertones there before', Brexit 'pushed people to somehow justify that they think it's okay to act out in this way, which obviously it's not.' Mr Jasso added: 'It's not acceptable in any terms, in any way, shape or form, because people feel threatened by it and people are coming here to contribute.  'No matter what anybody says they have that right to come here and choose to live here and they should not be discriminated against for that.'  The trio hurled racist abuse at Mr Jasso in front of horrified commuters in June last year  The American army veteran and rugby player is lecturing at a UK university - and was subjected to the abuse while using public transport  Mr Jasso said he had never experienced anything like this in the area before.< eod>< sod > The shocking abuse was captured on camera by Mr Jasso, who is now living in the UK Juan Jasso, who is an American citizen and US veteran, was the victim of the disgraceful racist attack on a Manchester tram  Mr Jasso served as a Signals Intelligence Analyst in the US Army from 1997 to 2004 Mr Jasso said: 'I still feel very frustrated when all I wanted to do was to talk to them about their language. I did not expect to be racially abused. 'Their behaviour towards me was unacceptable. I do not fear them but I find their behaviour especially in this situation absolutely awful.  'I have lived in this country for 13 years and served seven in the military. This is the first incident of racist abuse I have suffered. Nobody has the right to say that to me or others.' He added: 'It's not something you'd ever like to experience in your daily life.< eod>