bˌiːɪŋ fɹˈʌntlˈaɪn stˈæf ðeɪ ɑːɹ mˈoʊst lˈaɪkli tə dɪtˈɛkt ænd stˈɑːp fɹˈɔːdʒuːlənt tɹænsˈækʃənz ɪn ˈɔːɹdɚ tə pɹɪvˈɛnt lˈɔsᵻz æɾə bˈæŋk kˈaʊntɚfˌeɪt kˈɜːɹənsi ænd tʃˈɛks, aɪdˈɛntᵻɾi θˈɛft, kˈɑːnfɪdəns tɹˈɪks, ɛtsˈɛtɹə..
Being front-line staff they are most likely to detect and stop fraudulent transactions in order to prevent losses at a bank (counterfeit currency and cheques, identity theft, confidence tricks, etc.).